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Finding the Fourth Proportional to 192,542.87, 288,691.28 and 92,504.02

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Solution

The fourth proportional to 192,542.87, 288,691.28 and 92,504.02 is: 138,696.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,542.87 : 288,691.28 = 92,504.02 : x
  2. Step 2: Convert to fraction form
    192,542.87/288,691.28 = 92,504.02/x
  3. Step 3: Cross multiply
    192,542.87x = 288,691.28 × 92,504.02
  4. Step 4: Simplify right side
    192,542.87x = 26,705,103,938.95
  5. Step 5: Solve for x
    x = 26,705,103,938.95/192,542.87
  6. Step 6: Final answer
    x = 138,696.92

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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.