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Finding the Fourth Proportional to 85,231.74, 127,827.11 and 26,067.92

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Solution

The fourth proportional to 85,231.74, 127,827.11 and 26,067.92 is: 39,095.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,231.74 : 127,827.11 = 26,067.92 : x
  2. Step 2: Convert to fraction form
    85,231.74/127,827.11 = 26,067.92/x
  3. Step 3: Cross multiply
    85,231.74x = 127,827.11 × 26,067.92
  4. Step 4: Simplify right side
    85,231.74x = 3,332,187,066.54
  5. Step 5: Solve for x
    x = 3,332,187,066.54/85,231.74
  6. Step 6: Final answer
    x = 39,095.61

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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.