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Finding the Fourth Proportional to 95,161.96, 142,745.44 and 27,691.27

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Solution

The fourth proportional to 95,161.96, 142,745.44 and 27,691.27 is: 41,537.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,161.96 : 142,745.44 = 27,691.27 : x
  2. Step 2: Convert to fraction form
    95,161.96/142,745.44 = 27,691.27/x
  3. Step 3: Cross multiply
    95,161.96x = 142,745.44 × 27,691.27
  4. Step 4: Simplify right side
    95,161.96x = 3,952,802,520.31
  5. Step 5: Solve for x
    x = 3,952,802,520.31/95,161.96
  6. Step 6: Final answer
    x = 41,537.63

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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.