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Finding the Fourth Proportional to 95,078.76, 131,213.52 and 54,799.08

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Solution

The fourth proportional to 95,078.76, 131,213.52 and 54,799.08 is: 75,625.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,078.76 : 131,213.52 = 54,799.08 : x
  2. Step 2: Convert to fraction form
    95,078.76/131,213.52 = 54,799.08/x
  3. Step 3: Cross multiply
    95,078.76x = 131,213.52 × 54,799.08
  4. Step 4: Simplify right side
    95,078.76x = 7,190,380,179.56
  5. Step 5: Solve for x
    x = 7,190,380,179.56/95,078.76
  6. Step 6: Final answer
    x = 75,625.51

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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.