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Finding the Fourth Proportional to 73,753.70, 110,712.60 and 38,205.53

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Solution

The fourth proportional to 73,753.70, 110,712.60 and 38,205.53 is: 57,350.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,753.70 : 110,712.60 = 38,205.53 : x
  2. Step 2: Convert to fraction form
    73,753.70/110,712.60 = 38,205.53/x
  3. Step 3: Cross multiply
    73,753.70x = 110,712.60 × 38,205.53
  4. Step 4: Simplify right side
    73,753.70x = 4,229,833,007.12
  5. Step 5: Solve for x
    x = 4,229,833,007.12/73,753.70
  6. Step 6: Final answer
    x = 57,350.79

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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.