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Finding the Fourth Proportional to 239,479.32, 330,474.39 and 132,049.33

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Solution

The fourth proportional to 239,479.32, 330,474.39 and 132,049.33 is: 182,224.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,479.32 : 330,474.39 = 132,049.33 : x
  2. Step 2: Convert to fraction form
    239,479.32/330,474.39 = 132,049.33/x
  3. Step 3: Cross multiply
    239,479.32x = 330,474.39 × 132,049.33
  4. Step 4: Simplify right side
    239,479.32x = 43,638,921,781.66
  5. Step 5: Solve for x
    x = 43,638,921,781.66/239,479.32
  6. Step 6: Final answer
    x = 182,224.18

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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.