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Finding the Fourth Proportional to 166,843.72, 230,249.01 and 101,432.44

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Solution

The fourth proportional to 166,843.72, 230,249.01 and 101,432.44 is: 139,979.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,843.72 : 230,249.01 = 101,432.44 : x
  2. Step 2: Convert to fraction form
    166,843.72/230,249.01 = 101,432.44/x
  3. Step 3: Cross multiply
    166,843.72x = 230,249.01 × 101,432.44
  4. Step 4: Simplify right side
    166,843.72x = 23,354,718,891.88
  5. Step 5: Solve for x
    x = 23,354,718,891.88/166,843.72
  6. Step 6: Final answer
    x = 139,979.61

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1.5x scale

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.