Finding the Fourth Proportional to 117,882.96, 176,824.58 and 29,135.11
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Solution
The fourth proportional to 117,882.96, 176,824.58 and 29,135.11 is: 43,702.69
Step by Step Solution
- Step 1: Write the proportion equation
117,882.96 : 176,824.58 = 29,135.11 : x - Step 2: Convert to fraction form
117,882.96/176,824.58 = 29,135.11/x - Step 3: Cross multiply
117,882.96x = 176,824.58 × 29,135.11 - Step 4: Simplify right side
117,882.96x = 5,151,803,001.27 - Step 5: Solve for x
x = 5,151,803,001.27/117,882.96 - Step 6: Final answer
x = 43,702.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.