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Finding the Fourth Proportional to 239,793.41, 330,914.95 and 132,363.47

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Solution

The fourth proportional to 239,793.41, 330,914.95 and 132,363.47 is: 182,661.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,793.41 : 330,914.95 = 132,363.47 : x
  2. Step 2: Convert to fraction form
    239,793.41/330,914.95 = 132,363.47/x
  3. Step 3: Cross multiply
    239,793.41x = 330,914.95 × 132,363.47
  4. Step 4: Simplify right side
    239,793.41x = 43,801,051,553.26
  5. Step 5: Solve for x
    x = 43,801,051,553.26/239,793.41
  6. Step 6: Final answer
    x = 182,661.61

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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.