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Finding the Fourth Proportional to 95,179.36, 131,365.92 and 54,919.20

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Solution

The fourth proportional to 95,179.36, 131,365.92 and 54,919.20 is: 75,799.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,179.36 : 131,365.92 = 54,919.20 : x
  2. Step 2: Convert to fraction form
    95,179.36/131,365.92 = 54,919.20/x
  3. Step 3: Cross multiply
    95,179.36x = 131,365.92 × 54,919.20
  4. Step 4: Simplify right side
    95,179.36x = 7,214,511,233.66
  5. Step 5: Solve for x
    x = 7,214,511,233.66/95,179.36
  6. Step 6: Final answer
    x = 75,799.11

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1.5x scale

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.