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Finding the Fourth Proportional to 74,451.60, 111,517.02 and 34,949.52

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Solution

The fourth proportional to 74,451.60, 111,517.02 and 34,949.52 is: 52,348.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,451.60 : 111,517.02 = 34,949.52 : x
  2. Step 2: Convert to fraction form
    74,451.60/111,517.02 = 34,949.52/x
  3. Step 3: Cross multiply
    74,451.60x = 111,517.02 × 34,949.52
  4. Step 4: Simplify right side
    74,451.60x = 3,897,466,320.83
  5. Step 5: Solve for x
    x = 3,897,466,320.83/74,451.60
  6. Step 6: Final answer
    x = 52,348.99

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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.