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Finding the Fourth Proportional to 71,500.60, 107,260.01 and 27,140.04

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Solution

The fourth proportional to 71,500.60, 107,260.01 and 27,140.04 is: 40,713.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,500.60 : 107,260.01 = 27,140.04 : x
  2. Step 2: Convert to fraction form
    71,500.60/107,260.01 = 27,140.04/x
  3. Step 3: Cross multiply
    71,500.60x = 107,260.01 × 27,140.04
  4. Step 4: Simplify right side
    71,500.60x = 2,911,040,961.80
  5. Step 5: Solve for x
    x = 2,911,040,961.80/71,500.60
  6. Step 6: Final answer
    x = 40,713.52

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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.