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Finding the Fourth Proportional to 239,489.82, 330,497.22 and 132,057.90

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Solution

The fourth proportional to 239,489.82, 330,497.22 and 132,057.90 is: 182,240.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,489.82 : 330,497.22 = 132,057.90 : x
  2. Step 2: Convert to fraction form
    239,489.82/330,497.22 = 132,057.90/x
  3. Step 3: Cross multiply
    239,489.82x = 330,497.22 × 132,057.90
  4. Step 4: Simplify right side
    239,489.82x = 43,644,768,829.04
  5. Step 5: Solve for x
    x = 43,644,768,829.04/239,489.82
  6. Step 6: Final answer
    x = 182,240.60

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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.