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Finding the Fourth Proportional to 218,222.85, 327,334.67 and 68,474.64

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Solution

The fourth proportional to 218,222.85, 327,334.67 and 68,474.64 is: 102,712.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,222.85 : 327,334.67 = 68,474.64 : x
  2. Step 2: Convert to fraction form
    218,222.85/327,334.67 = 68,474.64/x
  3. Step 3: Cross multiply
    218,222.85x = 327,334.67 × 68,474.64
  4. Step 4: Simplify right side
    218,222.85x = 22,414,123,858.96
  5. Step 5: Solve for x
    x = 22,414,123,858.96/218,222.85
  6. Step 6: Final answer
    x = 102,712.08

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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.