Answer:
The total number of registered doctors was 192,473.
Explanation:
This question can be solved using a rule of three.
53700 is 27.9% = 0.279. The total number of registered doctors is x, which is 100% = 1. So
53700 doctors - 0.279
x doctors - 1
![0.279x = 53700](https://img.qammunity.org/2021/formulas/mathematics/high-school/6uafasoac9qf69mp8zg4eacaauh2w07yi9.png)
![x = (53700)/(0.279)](https://img.qammunity.org/2021/formulas/mathematics/high-school/dsks1kd1vstppoxyp8rz6lnvyz5u638vjl.png)
![x = 192473.11](https://img.qammunity.org/2021/formulas/mathematics/high-school/7q4qsv3hclkvhv5xi1ltbmldhhv182mmxs.png)
Rounding to the nearest whole number.
The total number of registered doctors was 192,473.