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Finding the Fourth Proportional to 79,402.54, 119,150.52 and 29,517.70

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Solution

The fourth proportional to 79,402.54, 119,150.52 and 29,517.70 is: 44,293.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,402.54 : 119,150.52 = 29,517.70 : x
  2. Step 2: Convert to fraction form
    79,402.54/119,150.52 = 29,517.70/x
  3. Step 3: Cross multiply
    79,402.54x = 119,150.52 × 29,517.70
  4. Step 4: Simplify right side
    79,402.54x = 3,517,049,304.20
  5. Step 5: Solve for x
    x = 3,517,049,304.20/79,402.54
  6. Step 6: Final answer
    x = 44,293.91

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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.