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Finding the Fourth Proportional to 239,493.39, 330,494.49 and 132,061.56

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Solution

The fourth proportional to 239,493.39, 330,494.49 and 132,061.56 is: 182,241.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,493.39 : 330,494.49 = 132,061.56 : x
  2. Step 2: Convert to fraction form
    239,493.39/330,494.49 = 132,061.56/x
  3. Step 3: Cross multiply
    239,493.39x = 330,494.49 × 132,061.56
  4. Step 4: Simplify right side
    239,493.39x = 43,645,617,920.80
  5. Step 5: Solve for x
    x = 43,645,617,920.80/239,493.39
  6. Step 6: Final answer
    x = 182,241.43

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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.