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Finding the Fourth Proportional to 239,951.28, 359,940 and 62,458.80

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Solution

The fourth proportional to 239,951.28, 359,940 and 62,458.80 is: 93,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,951.28 : 359,940 = 62,458.80 : x
  2. Step 2: Convert to fraction form
    239,951.28/359,940 = 62,458.80/x
  3. Step 3: Cross multiply
    239,951.28x = 359,940 × 62,458.80
  4. Step 4: Simplify right side
    239,951.28x = 22,481,420,472
  5. Step 5: Solve for x
    x = 22,481,420,472/239,951.28
  6. Step 6: Final answer
    x = 93,691.60

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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.