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Finding the Fourth Proportional to 71,797.66, 99,073.61 and 41,592.70

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Solution

The fourth proportional to 71,797.66, 99,073.61 and 41,592.70 is: 57,393.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,797.66 : 99,073.61 = 41,592.70 : x
  2. Step 2: Convert to fraction form
    71,797.66/99,073.61 = 41,592.70/x
  3. Step 3: Cross multiply
    71,797.66x = 99,073.61 × 41,592.70
  4. Step 4: Simplify right side
    71,797.66x = 4,120,739,010.50
  5. Step 5: Solve for x
    x = 4,120,739,010.50/71,797.66
  6. Step 6: Final answer
    x = 57,393.78

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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.