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Finding the Fourth Proportional to 168,241.89, 252,268.29 and 55,861.98

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Solution

The fourth proportional to 168,241.89, 252,268.29 and 55,861.98 is: 83,761.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,241.89 : 252,268.29 = 55,861.98 : x
  2. Step 2: Convert to fraction form
    168,241.89/252,268.29 = 55,861.98/x
  3. Step 3: Cross multiply
    168,241.89x = 252,268.29 × 55,861.98
  4. Step 4: Simplify right side
    168,241.89x = 14,092,206,170.61
  5. Step 5: Solve for x
    x = 14,092,206,170.61/168,241.89
  6. Step 6: Final answer
    x = 83,761.58

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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.