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Finding the Fourth Proportional to 71,057.53, 106,591.97 and 41,478.36

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Solution

The fourth proportional to 71,057.53, 106,591.97 and 41,478.36 is: 62,220.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,057.53 : 106,591.97 = 41,478.36 : x
  2. Step 2: Convert to fraction form
    71,057.53/106,591.97 = 41,478.36/x
  3. Step 3: Cross multiply
    71,057.53x = 106,591.97 × 41,478.36
  4. Step 4: Simplify right side
    71,057.53x = 4,421,260,104.77
  5. Step 5: Solve for x
    x = 4,421,260,104.77/71,057.53
  6. Step 6: Final answer
    x = 62,220.85

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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.