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Finding the Fourth Proportional to 71,344.35, 107,023.61 and 26,377.52

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Solution

The fourth proportional to 71,344.35, 107,023.61 and 26,377.52 is: 39,568.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,344.35 : 107,023.61 = 26,377.52 : x
  2. Step 2: Convert to fraction form
    71,344.35/107,023.61 = 26,377.52/x
  3. Step 3: Cross multiply
    71,344.35x = 107,023.61 × 26,377.52
  4. Step 4: Simplify right side
    71,344.35x = 2,823,016,944.07
  5. Step 5: Solve for x
    x = 2,823,016,944.07/71,344.35
  6. Step 6: Final answer
    x = 39,568.89

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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.