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Finding the Fourth Proportional to 171,425.11, 256,095.20 and 110,961.04

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Solution

The fourth proportional to 171,425.11, 256,095.20 and 110,961.04 is: 165,766.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,425.11 : 256,095.20 = 110,961.04 : x
  2. Step 2: Convert to fraction form
    171,425.11/256,095.20 = 110,961.04/x
  3. Step 3: Cross multiply
    171,425.11x = 256,095.20 × 110,961.04
  4. Step 4: Simplify right side
    171,425.11x = 28,416,589,731.01
  5. Step 5: Solve for x
    x = 28,416,589,731.01/171,425.11
  6. Step 6: Final answer
    x = 165,766.79

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.