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Finding the Fourth Proportional to 101,862.73, 140,279.92 and 73,523.53

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Solution

The fourth proportional to 101,862.73, 140,279.92 and 73,523.53 is: 101,252.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,862.73 : 140,279.92 = 73,523.53 : x
  2. Step 2: Convert to fraction form
    101,862.73/140,279.92 = 73,523.53/x
  3. Step 3: Cross multiply
    101,862.73x = 140,279.92 × 73,523.53
  4. Step 4: Simplify right side
    101,862.73x = 10,313,874,906.52
  5. Step 5: Solve for x
    x = 10,313,874,906.52/101,862.73
  6. Step 6: Final answer
    x = 101,252.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.