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Finding the Fourth Proportional to 151,279.86, 227,060.01 and 76,452.68

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Solution

The fourth proportional to 151,279.86, 227,060.01 and 76,452.68 is: 114,749.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,279.86 : 227,060.01 = 76,452.68 : x
  2. Step 2: Convert to fraction form
    151,279.86/227,060.01 = 76,452.68/x
  3. Step 3: Cross multiply
    151,279.86x = 227,060.01 × 76,452.68
  4. Step 4: Simplify right side
    151,279.86x = 17,359,346,285.33
  5. Step 5: Solve for x
    x = 17,359,346,285.33/151,279.86
  6. Step 6: Final answer
    x = 114,749.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.