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Finding the Fourth Proportional to 71,240.88, 106,825.68 and 23,839.68

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Solution

The fourth proportional to 71,240.88, 106,825.68 and 23,839.68 is: 35,747.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,240.88 : 106,825.68 = 23,839.68 : x
  2. Step 2: Convert to fraction form
    71,240.88/106,825.68 = 23,839.68/x
  3. Step 3: Cross multiply
    71,240.88x = 106,825.68 × 23,839.68
  4. Step 4: Simplify right side
    71,240.88x = 2,546,690,026.98
  5. Step 5: Solve for x
    x = 2,546,690,026.98/71,240.88
  6. Step 6: Final answer
    x = 35,747.59

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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.