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Finding the Fourth Proportional to 95,291.98, 131,442.87 and 61,344.82

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Solution

The fourth proportional to 95,291.98, 131,442.87 and 61,344.82 is: 84,617.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,291.98 : 131,442.87 = 61,344.82 : x
  2. Step 2: Convert to fraction form
    95,291.98/131,442.87 = 61,344.82/x
  3. Step 3: Cross multiply
    95,291.98x = 131,442.87 × 61,344.82
  4. Step 4: Simplify right side
    95,291.98x = 8,063,339,200.43
  5. Step 5: Solve for x
    x = 8,063,339,200.43/95,291.98
  6. Step 6: Final answer
    x = 84,617.19

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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.