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Finding the Fourth Proportional to 222,021.72, 332,944.92 and 88,877.16

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Solution

The fourth proportional to 222,021.72, 332,944.92 and 88,877.16 is: 133,280.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,021.72 : 332,944.92 = 88,877.16 : x
  2. Step 2: Convert to fraction form
    222,021.72/332,944.92 = 88,877.16/x
  3. Step 3: Cross multiply
    222,021.72x = 332,944.92 × 88,877.16
  4. Step 4: Simplify right side
    222,021.72x = 29,591,198,926.03
  5. Step 5: Solve for x
    x = 29,591,198,926.03/222,021.72
  6. Step 6: Final answer
    x = 133,280.65

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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.