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Finding the Fourth Proportional to 87,843.68, 131,767.68 and 25,514.72

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Solution

The fourth proportional to 87,843.68, 131,767.68 and 25,514.72 is: 38,272.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,843.68 : 131,767.68 = 25,514.72 : x
  2. Step 2: Convert to fraction form
    87,843.68/131,767.68 = 25,514.72/x
  3. Step 3: Cross multiply
    87,843.68x = 131,767.68 × 25,514.72
  4. Step 4: Simplify right side
    87,843.68x = 3,362,015,460.25
  5. Step 5: Solve for x
    x = 3,362,015,460.25/87,843.68
  6. Step 6: Final answer
    x = 38,272.71

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1.5x scale

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.