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Finding the Fourth Proportional to 234,761.87, 323,965.50 and 131,394.53

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Solution

The fourth proportional to 234,761.87, 323,965.50 and 131,394.53 is: 181,321.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,761.87 : 323,965.50 = 131,394.53 : x
  2. Step 2: Convert to fraction form
    234,761.87/323,965.50 = 131,394.53/x
  3. Step 3: Cross multiply
    234,761.87x = 323,965.50 × 131,394.53
  4. Step 4: Simplify right side
    234,761.87x = 42,567,294,608.72
  5. Step 5: Solve for x
    x = 42,567,294,608.72/234,761.87
  6. Step 6: Final answer
    x = 181,321.16

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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.