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Finding the Fourth Proportional to 71,304.70, 98,371.68 and 41,073.82

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Solution

The fourth proportional to 71,304.70, 98,371.68 and 41,073.82 is: 56,665.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,304.70 : 98,371.68 = 41,073.82 : x
  2. Step 2: Convert to fraction form
    71,304.70/98,371.68 = 41,073.82/x
  3. Step 3: Cross multiply
    71,304.70x = 98,371.68 × 41,073.82
  4. Step 4: Simplify right side
    71,304.70x = 4,040,500,677.42
  5. Step 5: Solve for x
    x = 4,040,500,677.42/71,304.70
  6. Step 6: Final answer
    x = 56,665.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.