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Finding the Fourth Proportional to 252,255.30, 378,372 and 62,711.70

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Solution

The fourth proportional to 252,255.30, 378,372 and 62,711.70 is: 94,064.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,255.30 : 378,372 = 62,711.70 : x
  2. Step 2: Convert to fraction form
    252,255.30/378,372 = 62,711.70/x
  3. Step 3: Cross multiply
    252,255.30x = 378,372 × 62,711.70
  4. Step 4: Simplify right side
    252,255.30x = 23,728,351,352.40
  5. Step 5: Solve for x
    x = 23,728,351,352.40/252,255.30
  6. Step 6: Final answer
    x = 94,064.83

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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.