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Finding the Fourth Proportional to 172,115.92, 237,523.02 and 95,642.08

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Solution

The fourth proportional to 172,115.92, 237,523.02 and 95,642.08 is: 131,987.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,115.92 : 237,523.02 = 95,642.08 : x
  2. Step 2: Convert to fraction form
    172,115.92/237,523.02 = 95,642.08/x
  3. Step 3: Cross multiply
    172,115.92x = 237,523.02 × 95,642.08
  4. Step 4: Simplify right side
    172,115.92x = 22,717,195,680.68
  5. Step 5: Solve for x
    x = 22,717,195,680.68/172,115.92
  6. Step 6: Final answer
    x = 131,987.77

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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.