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Finding the Fourth Proportional to 171,181.47, 256,882.35 and 92,350.11

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Solution

The fourth proportional to 171,181.47, 256,882.35 and 92,350.11 is: 138,584.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,181.47 : 256,882.35 = 92,350.11 : x
  2. Step 2: Convert to fraction form
    171,181.47/256,882.35 = 92,350.11/x
  3. Step 3: Cross multiply
    171,181.47x = 256,882.35 × 92,350.11
  4. Step 4: Simplify right side
    171,181.47x = 23,723,113,279.56
  5. Step 5: Solve for x
    x = 23,723,113,279.56/171,181.47
  6. Step 6: Final answer
    x = 138,584.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.