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Finding the Fourth Proportional to 259,169.79, 388,753.11 and 67,044.24

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Solution

The fourth proportional to 259,169.79, 388,753.11 and 67,044.24 is: 100,565.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,169.79 : 388,753.11 = 67,044.24 : x
  2. Step 2: Convert to fraction form
    259,169.79/388,753.11 = 67,044.24/x
  3. Step 3: Cross multiply
    259,169.79x = 388,753.11 × 67,044.24
  4. Step 4: Simplify right side
    259,169.79x = 26,063,656,807.59
  5. Step 5: Solve for x
    x = 26,063,656,807.59/259,169.79
  6. Step 6: Final answer
    x = 100,565.95

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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.