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Finding the Fourth Proportional to 234,356.80, 323,432.28 and 132,400.96

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Solution

The fourth proportional to 234,356.80, 323,432.28 and 132,400.96 is: 182,724.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,356.80 : 323,432.28 = 132,400.96 : x
  2. Step 2: Convert to fraction form
    234,356.80/323,432.28 = 132,400.96/x
  3. Step 3: Cross multiply
    234,356.80x = 323,432.28 × 132,400.96
  4. Step 4: Simplify right side
    234,356.80x = 42,822,744,366.99
  5. Step 5: Solve for x
    x = 42,822,744,366.99/234,356.80
  6. Step 6: Final answer
    x = 182,724.57

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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.