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Finding the Fourth Proportional to 234,930.08, 324,203.50 and 127,500.11

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Solution

The fourth proportional to 234,930.08, 324,203.50 and 127,500.11 is: 175,950.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,930.08 : 324,203.50 = 127,500.11 : x
  2. Step 2: Convert to fraction form
    234,930.08/324,203.50 = 127,500.11/x
  3. Step 3: Cross multiply
    234,930.08x = 324,203.50 × 127,500.11
  4. Step 4: Simplify right side
    234,930.08x = 41,335,979,972.62
  5. Step 5: Solve for x
    x = 41,335,979,972.62/234,930.08
  6. Step 6: Final answer
    x = 175,950.14

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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.