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Finding the Fourth Proportional to 95,859.78, 132,286.96 and 55,597.42

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Solution

The fourth proportional to 95,859.78, 132,286.96 and 55,597.42 is: 76,724.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,859.78 : 132,286.96 = 55,597.42 : x
  2. Step 2: Convert to fraction form
    95,859.78/132,286.96 = 55,597.42/x
  3. Step 3: Cross multiply
    95,859.78x = 132,286.96 × 55,597.42
  4. Step 4: Simplify right side
    95,859.78x = 7,354,812,736.22
  5. Step 5: Solve for x
    x = 7,354,812,736.22/95,859.78
  6. Step 6: Final answer
    x = 76,724.70

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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.