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Finding the Fourth Proportional to 63,995.31, 95,918.19 and 48,149.42

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Solution

The fourth proportional to 63,995.31, 95,918.19 and 48,149.42 is: 72,167.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,995.31 : 95,918.19 = 48,149.42 : x
  2. Step 2: Convert to fraction form
    63,995.31/95,918.19 = 48,149.42/x
  3. Step 3: Cross multiply
    63,995.31x = 95,918.19 × 48,149.42
  4. Step 4: Simplify right side
    63,995.31x = 4,618,404,736.36
  5. Step 5: Solve for x
    x = 4,618,404,736.36/63,995.31
  6. Step 6: Final answer
    x = 72,167.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.