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Finding the Fourth Proportional to 71,161.06, 106,593.96 and 41,488.90

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Solution

The fourth proportional to 71,161.06, 106,593.96 and 41,488.90 is: 62,147.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,161.06 : 106,593.96 = 41,488.90 : x
  2. Step 2: Convert to fraction form
    71,161.06/106,593.96 = 41,488.90/x
  3. Step 3: Cross multiply
    71,161.06x = 106,593.96 × 41,488.90
  4. Step 4: Simplify right side
    71,161.06x = 4,422,466,147.04
  5. Step 5: Solve for x
    x = 4,422,466,147.04/71,161.06
  6. Step 6: Final answer
    x = 62,147.28

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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.