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Finding the Fourth Proportional to 240,398.76, 331,727.96 and 132,966.48

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Solution

The fourth proportional to 240,398.76, 331,727.96 and 132,966.48 is: 183,481.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,398.76 : 331,727.96 = 132,966.48 : x
  2. Step 2: Convert to fraction form
    240,398.76/331,727.96 = 132,966.48/x
  3. Step 3: Cross multiply
    240,398.76x = 331,727.96 × 132,966.48
  4. Step 4: Simplify right side
    240,398.76x = 44,108,699,158.78
  5. Step 5: Solve for x
    x = 44,108,699,158.78/240,398.76
  6. Step 6: Final answer
    x = 183,481.39

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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.