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Finding the Fourth Proportional to 95,956.16, 132,420.12 and 55,694

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Solution

The fourth proportional to 95,956.16, 132,420.12 and 55,694 is: 76,858.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,956.16 : 132,420.12 = 55,694 : x
  2. Step 2: Convert to fraction form
    95,956.16/132,420.12 = 55,694/x
  3. Step 3: Cross multiply
    95,956.16x = 132,420.12 × 55,694
  4. Step 4: Simplify right side
    95,956.16x = 7,375,006,163.28
  5. Step 5: Solve for x
    x = 7,375,006,163.28/95,956.16
  6. Step 6: Final answer
    x = 76,858.08

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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.