Question : Find the fourth proportion to the numbers 49, 51, and 98.
Option 1: 96
Option 2: 102
Option 3: 112
Option 4: 90
Correct Answer: 102
Solution :
Given: The numbers are 49, 51, and 98.
The fourth proportion $=\frac{b\times c}{a}$ where $a$, $b$ and $c$ are the first, second and third numbers.
$=\frac{51\times 98}{49}=102$
Hence, the correct answer is 102.
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