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Finding the Fourth Proportional to 218,350.16, 327,306.60 and 92,020.88

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Solution

The fourth proportional to 218,350.16, 327,306.60 and 92,020.88 is: 137,939.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,350.16 : 327,306.60 = 92,020.88 : x
  2. Step 2: Convert to fraction form
    218,350.16/327,306.60 = 92,020.88/x
  3. Step 3: Cross multiply
    218,350.16x = 327,306.60 × 92,020.88
  4. Step 4: Simplify right side
    218,350.16x = 30,119,041,361.81
  5. Step 5: Solve for x
    x = 30,119,041,361.81/218,350.16
  6. Step 6: Final answer
    x = 137,939.18

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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.