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Finding the Fourth Proportional to 234,793, 324,013.28 and 127,363.08

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Solution

The fourth proportional to 234,793, 324,013.28 and 127,363.08 is: 175,760.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,793 : 324,013.28 = 127,363.08 : x
  2. Step 2: Convert to fraction form
    234,793/324,013.28 = 127,363.08/x
  3. Step 3: Cross multiply
    234,793x = 324,013.28 × 127,363.08
  4. Step 4: Simplify right side
    234,793x = 41,267,329,301.70
  5. Step 5: Solve for x
    x = 41,267,329,301.70/234,793
  6. Step 6: Final answer
    x = 175,760.48

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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.