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Finding the Fourth Proportional to 218,210.40, 327,524.40 and 113,104.80

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Solution

The fourth proportional to 218,210.40, 327,524.40 and 113,104.80 is: 169,765.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,210.40 : 327,524.40 = 113,104.80 : x
  2. Step 2: Convert to fraction form
    218,210.40/327,524.40 = 113,104.80/x
  3. Step 3: Cross multiply
    218,210.40x = 327,524.40 × 113,104.80
  4. Step 4: Simplify right side
    218,210.40x = 37,044,581,757.12
  5. Step 5: Solve for x
    x = 37,044,581,757.12/218,210.40
  6. Step 6: Final answer
    x = 169,765.43

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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.