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Finding the Fourth Proportional to 234,508.33, 323,620.68 and 127,081

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Solution

The fourth proportional to 234,508.33, 323,620.68 and 127,081 is: 175,371.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,508.33 : 323,620.68 = 127,081 : x
  2. Step 2: Convert to fraction form
    234,508.33/323,620.68 = 127,081/x
  3. Step 3: Cross multiply
    234,508.33x = 323,620.68 × 127,081
  4. Step 4: Simplify right side
    234,508.33x = 41,126,039,635.08
  5. Step 5: Solve for x
    x = 41,126,039,635.08/234,508.33
  6. Step 6: Final answer
    x = 175,371.34

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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.