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Finding the Fourth Proportional to 171,714.16, 236,979.30 and 95,240.80

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Solution

The fourth proportional to 171,714.16, 236,979.30 and 95,240.80 is: 131,439.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,714.16 : 236,979.30 = 95,240.80 : x
  2. Step 2: Convert to fraction form
    171,714.16/236,979.30 = 95,240.80/x
  3. Step 3: Cross multiply
    171,714.16x = 236,979.30 × 95,240.80
  4. Step 4: Simplify right side
    171,714.16x = 22,570,098,115.44
  5. Step 5: Solve for x
    x = 22,570,098,115.44/171,714.16
  6. Step 6: Final answer
    x = 131,439.94

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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.