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Finding the Fourth Proportional to 71,269.97, 106,929.41 and 26,909.41

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Solution

The fourth proportional to 71,269.97, 106,929.41 and 26,909.41 is: 40,373.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,269.97 : 106,929.41 = 26,909.41 : x
  2. Step 2: Convert to fraction form
    71,269.97/106,929.41 = 26,909.41/x
  3. Step 3: Cross multiply
    71,269.97x = 106,929.41 × 26,909.41
  4. Step 4: Simplify right side
    71,269.97x = 2,877,406,932.88
  5. Step 5: Solve for x
    x = 2,877,406,932.88/71,269.97
  6. Step 6: Final answer
    x = 40,373.35

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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.