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Finding the Fourth Proportional to 136,217.60, 203,937.60 and 132,329.60

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Solution

The fourth proportional to 136,217.60, 203,937.60 and 132,329.60 is: 198,116.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,217.60 : 203,937.60 = 132,329.60 : x
  2. Step 2: Convert to fraction form
    136,217.60/203,937.60 = 132,329.60/x
  3. Step 3: Cross multiply
    136,217.60x = 203,937.60 × 132,329.60
  4. Step 4: Simplify right side
    136,217.60x = 26,986,981,032.96
  5. Step 5: Solve for x
    x = 26,986,981,032.96/136,217.60
  6. Step 6: Final answer
    x = 198,116.70

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1.5x scale

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.