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Finding the Fourth Proportional to 172,758.80, 238,397.50 and 95,231.94

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Solution

The fourth proportional to 172,758.80, 238,397.50 and 95,231.94 is: 131,414.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,758.80 : 238,397.50 = 95,231.94 : x
  2. Step 2: Convert to fraction form
    172,758.80/238,397.50 = 95,231.94/x
  3. Step 3: Cross multiply
    172,758.80x = 238,397.50 × 95,231.94
  4. Step 4: Simplify right side
    172,758.80x = 22,703,056,416.15
  5. Step 5: Solve for x
    x = 22,703,056,416.15/172,758.80
  6. Step 6: Final answer
    x = 131,414.76

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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.