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Finding the Fourth Proportional to 136,502.20, 204,753.30 and 112,882.60

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Solution

The fourth proportional to 136,502.20, 204,753.30 and 112,882.60 is: 169,323.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,502.20 : 204,753.30 = 112,882.60 : x
  2. Step 2: Convert to fraction form
    136,502.20/204,753.30 = 112,882.60/x
  3. Step 3: Cross multiply
    136,502.20x = 204,753.30 × 112,882.60
  4. Step 4: Simplify right side
    136,502.20x = 23,113,084,862.58
  5. Step 5: Solve for x
    x = 23,113,084,862.58/136,502.20
  6. Step 6: Final answer
    x = 169,323.90

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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.