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Finding the Fourth Proportional to 150,644.86, 207,882.92 and 82,660.15

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Solution

The fourth proportional to 150,644.86, 207,882.92 and 82,660.15 is: 114,067.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,644.86 : 207,882.92 = 82,660.15 : x
  2. Step 2: Convert to fraction form
    150,644.86/207,882.92 = 82,660.15/x
  3. Step 3: Cross multiply
    150,644.86x = 207,882.92 × 82,660.15
  4. Step 4: Simplify right side
    150,644.86x = 17,183,632,646.80
  5. Step 5: Solve for x
    x = 17,183,632,646.80/150,644.86
  6. Step 6: Final answer
    x = 114,067.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.