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Finding the Fourth Proportional to 253,123.92, 379,711.80 and 95,484.96

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Solution

The fourth proportional to 253,123.92, 379,711.80 and 95,484.96 is: 143,237.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,123.92 : 379,711.80 = 95,484.96 : x
  2. Step 2: Convert to fraction form
    253,123.92/379,711.80 = 95,484.96/x
  3. Step 3: Cross multiply
    253,123.92x = 379,711.80 × 95,484.96
  4. Step 4: Simplify right side
    253,123.92x = 36,256,766,034.53
  5. Step 5: Solve for x
    x = 36,256,766,034.53/253,123.92
  6. Step 6: Final answer
    x = 143,237.22

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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.