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Finding the Fourth Proportional to 71,034.80, 106,552.20 and 41,437.40

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Solution

The fourth proportional to 71,034.80, 106,552.20 and 41,437.40 is: 62,156.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,034.80 : 106,552.20 = 41,437.40 : x
  2. Step 2: Convert to fraction form
    71,034.80/106,552.20 = 41,437.40/x
  3. Step 3: Cross multiply
    71,034.80x = 106,552.20 × 41,437.40
  4. Step 4: Simplify right side
    71,034.80x = 4,415,246,132.28
  5. Step 5: Solve for x
    x = 4,415,246,132.28/71,034.80
  6. Step 6: Final answer
    x = 62,156.10

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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.