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Finding the Fourth Proportional to 217,162.73, 325,787.55 and 75,013.19

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Solution

The fourth proportional to 217,162.73, 325,787.55 and 75,013.19 is: 112,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,162.73 : 325,787.55 = 75,013.19 : x
  2. Step 2: Convert to fraction form
    217,162.73/325,787.55 = 75,013.19/x
  3. Step 3: Cross multiply
    217,162.73x = 325,787.55 × 75,013.19
  4. Step 4: Simplify right side
    217,162.73x = 24,438,363,387.78
  5. Step 5: Solve for x
    x = 24,438,363,387.78/217,162.73
  6. Step 6: Final answer
    x = 112,534.80

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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.