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Finding the Fourth Proportional to 151,237.59, 226,606.76 and 87,879.86

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Solution

The fourth proportional to 151,237.59, 226,606.76 and 87,879.86 is: 131,674.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,237.59 : 226,606.76 = 87,879.86 : x
  2. Step 2: Convert to fraction form
    151,237.59/226,606.76 = 87,879.86/x
  3. Step 3: Cross multiply
    151,237.59x = 226,606.76 × 87,879.86
  4. Step 4: Simplify right side
    151,237.59x = 19,914,170,343.85
  5. Step 5: Solve for x
    x = 19,914,170,343.85/151,237.59
  6. Step 6: Final answer
    x = 131,674.74

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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.