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Finding the Fourth Proportional to 234,694.60, 323,876.78 and 127,264.48

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Solution

The fourth proportional to 234,694.60, 323,876.78 and 127,264.48 is: 175,624.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,694.60 : 323,876.78 = 127,264.48 : x
  2. Step 2: Convert to fraction form
    234,694.60/323,876.78 = 127,264.48/x
  3. Step 3: Cross multiply
    234,694.60x = 323,876.78 × 127,264.48
  4. Step 4: Simplify right side
    234,694.60x = 41,218,009,990.77
  5. Step 5: Solve for x
    x = 41,218,009,990.77/234,694.60
  6. Step 6: Final answer
    x = 175,624.02

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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.