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Finding the Fourth Proportional to 95,480.96, 131,654.99 and 60,979.20

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Solution

The fourth proportional to 95,480.96, 131,654.99 and 60,979.20 is: 84,081.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,480.96 : 131,654.99 = 60,979.20 : x
  2. Step 2: Convert to fraction form
    95,480.96/131,654.99 = 60,979.20/x
  3. Step 3: Cross multiply
    95,480.96x = 131,654.99 × 60,979.20
  4. Step 4: Simplify right side
    95,480.96x = 8,028,215,661.31
  5. Step 5: Solve for x
    x = 8,028,215,661.31/95,480.96
  6. Step 6: Final answer
    x = 84,081.85

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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.