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Finding the Fourth Proportional to 166,945.19, 250,481.84 and 100,432.44

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Solution

The fourth proportional to 166,945.19, 250,481.84 and 100,432.44 is: 150,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,945.19 : 250,481.84 = 100,432.44 : x
  2. Step 2: Convert to fraction form
    166,945.19/250,481.84 = 100,432.44/x
  3. Step 3: Cross multiply
    166,945.19x = 250,481.84 × 100,432.44
  4. Step 4: Simplify right side
    166,945.19x = 25,156,501,864.73
  5. Step 5: Solve for x
    x = 25,156,501,864.73/166,945.19
  6. Step 6: Final answer
    x = 150,687.20

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1.5x scale

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.