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Finding the Fourth Proportional to 71,344.55, 107,023.90 and 26,377.70

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Solution

The fourth proportional to 71,344.55, 107,023.90 and 26,377.70 is: 39,569.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,344.55 : 107,023.90 = 26,377.70 : x
  2. Step 2: Convert to fraction form
    71,344.55/107,023.90 = 26,377.70/x
  3. Step 3: Cross multiply
    71,344.55x = 107,023.90 × 26,377.70
  4. Step 4: Simplify right side
    71,344.55x = 2,823,044,528.65
  5. Step 5: Solve for x
    x = 2,823,044,528.65/71,344.55
  6. Step 6: Final answer
    x = 39,569.17

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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.