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Finding the Fourth Proportional to 171,281.52, 256,961.28 and 92,394

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Solution

The fourth proportional to 171,281.52, 256,961.28 and 92,394 is: 138,612.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,281.52 : 256,961.28 = 92,394 : x
  2. Step 2: Convert to fraction form
    171,281.52/256,961.28 = 92,394/x
  3. Step 3: Cross multiply
    171,281.52x = 256,961.28 × 92,394
  4. Step 4: Simplify right side
    171,281.52x = 23,741,680,504.32
  5. Step 5: Solve for x
    x = 23,741,680,504.32/171,281.52
  6. Step 6: Final answer
    x = 138,612.04

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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.