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Finding the Fourth Proportional to 167,249.80, 230,806.43 and 90,769.56

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Solution

The fourth proportional to 167,249.80, 230,806.43 and 90,769.56 is: 125,262.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,249.80 : 230,806.43 = 90,769.56 : x
  2. Step 2: Convert to fraction form
    167,249.80/230,806.43 = 90,769.56/x
  3. Step 3: Cross multiply
    167,249.80x = 230,806.43 × 90,769.56
  4. Step 4: Simplify right side
    167,249.80x = 20,950,198,096.27
  5. Step 5: Solve for x
    x = 20,950,198,096.27/167,249.80
  6. Step 6: Final answer
    x = 125,262.92

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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.