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Finding the Fourth Proportional to 71,339.66, 107,017.68 and 41,757.75

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Solution

The fourth proportional to 71,339.66, 107,017.68 and 41,757.75 is: 62,641.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,339.66 : 107,017.68 = 41,757.75 : x
  2. Step 2: Convert to fraction form
    71,339.66/107,017.68 = 41,757.75/x
  3. Step 3: Cross multiply
    71,339.66x = 107,017.68 × 41,757.75
  4. Step 4: Simplify right side
    71,339.66x = 4,468,817,527.02
  5. Step 5: Solve for x
    x = 4,468,817,527.02/71,339.66
  6. Step 6: Final answer
    x = 62,641.42

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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.