Finding the Fourth Proportional to 117,066.07, 161,551.17 and 63,351.09
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Solution
The fourth proportional to 117,066.07, 161,551.17 and 63,351.09 is: 87,424.50
Step by Step Solution
- Step 1: Write the proportion equation
117,066.07 : 161,551.17 = 63,351.09 : x - Step 2: Convert to fraction form
117,066.07/161,551.17 = 63,351.09/x - Step 3: Cross multiply
117,066.07x = 161,551.17 × 63,351.09 - Step 4: Simplify right side
117,066.07x = 10,234,442,710.28 - Step 5: Solve for x
x = 10,234,442,710.28/117,066.07 - Step 6: Final answer
x = 87,424.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.