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Finding the Fourth Proportional to 73,834.20, 110,751.30 and 51,672.60

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Solution

The fourth proportional to 73,834.20, 110,751.30 and 51,672.60 is: 77,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,834.20 : 110,751.30 = 51,672.60 : x
  2. Step 2: Convert to fraction form
    73,834.20/110,751.30 = 51,672.60/x
  3. Step 3: Cross multiply
    73,834.20x = 110,751.30 × 51,672.60
  4. Step 4: Simplify right side
    73,834.20x = 5,722,807,624.38
  5. Step 5: Solve for x
    x = 5,722,807,624.38/73,834.20
  6. Step 6: Final answer
    x = 77,508.90

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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.