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Finding the Fourth Proportional to 73,898.20, 110,861.70 and 29,517.40

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Solution

The fourth proportional to 73,898.20, 110,861.70 and 29,517.40 is: 44,281.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,898.20 : 110,861.70 = 29,517.40 : x
  2. Step 2: Convert to fraction form
    73,898.20/110,861.70 = 29,517.40/x
  3. Step 3: Cross multiply
    73,898.20x = 110,861.70 × 29,517.40
  4. Step 4: Simplify right side
    73,898.20x = 3,272,349,143.58
  5. Step 5: Solve for x
    x = 3,272,349,143.58/73,898.20
  6. Step 6: Final answer
    x = 44,281.85

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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.