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Finding the Fourth Proportional to 95,157.66, 131,287.73 and 54,865.97

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Solution

The fourth proportional to 95,157.66, 131,287.73 and 54,865.97 is: 75,697.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,157.66 : 131,287.73 = 54,865.97 : x
  2. Step 2: Convert to fraction form
    95,157.66/131,287.73 = 54,865.97/x
  3. Step 3: Cross multiply
    95,157.66x = 131,287.73 × 54,865.97
  4. Step 4: Simplify right side
    95,157.66x = 7,203,228,655.55
  5. Step 5: Solve for x
    x = 7,203,228,655.55/95,157.66
  6. Step 6: Final answer
    x = 75,697.83

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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.