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Finding the Fourth Proportional to 171,115.92, 256,621.56 and 60,282

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Solution

The fourth proportional to 171,115.92, 256,621.56 and 60,282 is: 90,404.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,115.92 : 256,621.56 = 60,282 : x
  2. Step 2: Convert to fraction form
    171,115.92/256,621.56 = 60,282/x
  3. Step 3: Cross multiply
    171,115.92x = 256,621.56 × 60,282
  4. Step 4: Simplify right side
    171,115.92x = 15,469,660,879.92
  5. Step 5: Solve for x
    x = 15,469,660,879.92/171,115.92
  6. Step 6: Final answer
    x = 90,404.57

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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.