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Finding the Fourth Proportional to 159,646.32, 239,540.04 and 83,726.64

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Solution

The fourth proportional to 159,646.32, 239,540.04 and 83,726.64 is: 125,626.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,646.32 : 239,540.04 = 83,726.64 : x
  2. Step 2: Convert to fraction form
    159,646.32/239,540.04 = 83,726.64/x
  3. Step 3: Cross multiply
    159,646.32x = 239,540.04 × 83,726.64
  4. Step 4: Simplify right side
    159,646.32x = 20,055,882,694.67
  5. Step 5: Solve for x
    x = 20,055,882,694.67/159,646.32
  6. Step 6: Final answer
    x = 125,626.97

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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.