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Finding the Fourth Proportional to 234,711.73, 323,902.37 and 127,281.74

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Solution

The fourth proportional to 234,711.73, 323,902.37 and 127,281.74 is: 175,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,711.73 : 323,902.37 = 127,281.74 : x
  2. Step 2: Convert to fraction form
    234,711.73/323,902.37 = 127,281.74/x
  3. Step 3: Cross multiply
    234,711.73x = 323,902.37 × 127,281.74
  4. Step 4: Simplify right side
    234,711.73x = 41,226,857,243.72
  5. Step 5: Solve for x
    x = 41,226,857,243.72/234,711.73
  6. Step 6: Final answer
    x = 175,648.90

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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.