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Finding the Fourth Proportional to 95,992.96, 132,380.96 and 63,670.72

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Solution

The fourth proportional to 95,992.96, 132,380.96 and 63,670.72 is: 87,806.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,992.96 : 132,380.96 = 63,670.72 : x
  2. Step 2: Convert to fraction form
    95,992.96/132,380.96 = 63,670.72/x
  3. Step 3: Cross multiply
    95,992.96x = 132,380.96 × 63,670.72
  4. Step 4: Simplify right side
    95,992.96x = 8,428,791,037.49
  5. Step 5: Solve for x
    x = 8,428,791,037.49/95,992.96
  6. Step 6: Final answer
    x = 87,806.35

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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.