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Finding the Fourth Proportional to 234,992.76, 324,290.42 and 127,562.86

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Solution

The fourth proportional to 234,992.76, 324,290.42 and 127,562.86 is: 176,036.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,992.76 : 324,290.42 = 127,562.86 : x
  2. Step 2: Convert to fraction form
    234,992.76/324,290.42 = 127,562.86/x
  3. Step 3: Cross multiply
    234,992.76x = 324,290.42 × 127,562.86
  4. Step 4: Simplify right side
    234,992.76x = 41,367,413,445.80
  5. Step 5: Solve for x
    x = 41,367,413,445.80/234,992.76
  6. Step 6: Final answer
    x = 176,036.97

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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.