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Finding the Fourth Proportional to 144,896.60, 217,344.90 and 132,066.20

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Solution

The fourth proportional to 144,896.60, 217,344.90 and 132,066.20 is: 198,099.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,896.60 : 217,344.90 = 132,066.20 : x
  2. Step 2: Convert to fraction form
    144,896.60/217,344.90 = 132,066.20/x
  3. Step 3: Cross multiply
    144,896.60x = 217,344.90 × 132,066.20
  4. Step 4: Simplify right side
    144,896.60x = 28,703,915,032.38
  5. Step 5: Solve for x
    x = 28,703,915,032.38/144,896.60
  6. Step 6: Final answer
    x = 198,099.30

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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.