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Finding the Fourth Proportional to 95,130.30, 131,279.48 and 54,843.88

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Solution

The fourth proportional to 95,130.30, 131,279.48 and 54,843.88 is: 75,684.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,130.30 : 131,279.48 = 54,843.88 : x
  2. Step 2: Convert to fraction form
    95,130.30/131,279.48 = 54,843.88/x
  3. Step 3: Cross multiply
    95,130.30x = 131,279.48 × 54,843.88
  4. Step 4: Simplify right side
    95,130.30x = 7,199,876,047.58
  5. Step 5: Solve for x
    x = 7,199,876,047.58/95,130.30
  6. Step 6: Final answer
    x = 75,684.36

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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.