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Finding the Fourth Proportional to 303,744.42, 419,171.33 and 167,778.02

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Solution

The fourth proportional to 303,744.42, 419,171.33 and 167,778.02 is: 231,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,744.42 : 419,171.33 = 167,778.02 : x
  2. Step 2: Convert to fraction form
    303,744.42/419,171.33 = 167,778.02/x
  3. Step 3: Cross multiply
    303,744.42x = 419,171.33 × 167,778.02
  4. Step 4: Simplify right side
    303,744.42x = 70,327,737,255.54
  5. Step 5: Solve for x
    x = 70,327,737,255.54/303,744.42
  6. Step 6: Final answer
    x = 231,535.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.