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Finding the Fourth Proportional to 73,557.92, 110,337.11 and 20,250.61

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Solution

The fourth proportional to 73,557.92, 110,337.11 and 20,250.61 is: 30,375.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,557.92 : 110,337.11 = 20,250.61 : x
  2. Step 2: Convert to fraction form
    73,557.92/110,337.11 = 20,250.61/x
  3. Step 3: Cross multiply
    73,557.92x = 110,337.11 × 20,250.61
  4. Step 4: Simplify right side
    73,557.92x = 2,234,393,783.14
  5. Step 5: Solve for x
    x = 2,234,393,783.14/73,557.92
  6. Step 6: Final answer
    x = 30,375.98

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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.