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Finding the Fourth Proportional to 221,854.56, 332,781.85 and 202,608.96

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Solution

The fourth proportional to 221,854.56, 332,781.85 and 202,608.96 is: 303,913.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,854.56 : 332,781.85 = 202,608.96 : x
  2. Step 2: Convert to fraction form
    221,854.56/332,781.85 = 202,608.96/x
  3. Step 3: Cross multiply
    221,854.56x = 332,781.85 × 202,608.96
  4. Step 4: Simplify right side
    221,854.56x = 67,424,584,535.38
  5. Step 5: Solve for x
    x = 67,424,584,535.38/221,854.56
  6. Step 6: Final answer
    x = 303,913.45

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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.