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Finding the Fourth Proportional to 167,190.74, 250,654.16 and 82,892.78

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Solution

The fourth proportional to 167,190.74, 250,654.16 and 82,892.78 is: 124,273.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,190.74 : 250,654.16 = 82,892.78 : x
  2. Step 2: Convert to fraction form
    167,190.74/250,654.16 = 82,892.78/x
  3. Step 3: Cross multiply
    167,190.74x = 250,654.16 × 82,892.78
  4. Step 4: Simplify right side
    167,190.74x = 20,777,420,140.96
  5. Step 5: Solve for x
    x = 20,777,420,140.96/167,190.74
  6. Step 6: Final answer
    x = 124,273.75

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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.