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Finding the Fourth Proportional to 69,339.17, 104,073.76 and 36,082.80

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Solution

The fourth proportional to 69,339.17, 104,073.76 and 36,082.80 is: 54,158.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,339.17 : 104,073.76 = 36,082.80 : x
  2. Step 2: Convert to fraction form
    69,339.17/104,073.76 = 36,082.80/x
  3. Step 3: Cross multiply
    69,339.17x = 104,073.76 × 36,082.80
  4. Step 4: Simplify right side
    69,339.17x = 3,755,272,712.43
  5. Step 5: Solve for x
    x = 3,755,272,712.43/69,339.17
  6. Step 6: Final answer
    x = 54,158.03

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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.