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Finding the Fourth Proportional to 101,972.49, 152,785.80 and 62,446.92

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Solution

The fourth proportional to 101,972.49, 152,785.80 and 62,446.92 is: 93,564.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,972.49 : 152,785.80 = 62,446.92 : x
  2. Step 2: Convert to fraction form
    101,972.49/152,785.80 = 62,446.92/x
  3. Step 3: Cross multiply
    101,972.49x = 152,785.80 × 62,446.92
  4. Step 4: Simplify right side
    101,972.49x = 9,541,002,629.74
  5. Step 5: Solve for x
    x = 9,541,002,629.74/101,972.49
  6. Step 6: Final answer
    x = 93,564.48

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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.