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Finding the Fourth Proportional to 71,265.61, 107,006.35 and 56,593.47

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Solution

The fourth proportional to 71,265.61, 107,006.35 and 56,593.47 is: 84,975.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,265.61 : 107,006.35 = 56,593.47 : x
  2. Step 2: Convert to fraction form
    71,265.61/107,006.35 = 56,593.47/x
  3. Step 3: Cross multiply
    71,265.61x = 107,006.35 × 56,593.47
  4. Step 4: Simplify right side
    71,265.61x = 6,055,860,658.53
  5. Step 5: Solve for x
    x = 6,055,860,658.53/71,265.61
  6. Step 6: Final answer
    x = 84,975.92

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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.