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Finding the Fourth Proportional to 144,452.68, 199,353.92 and 80,790.96

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Solution

The fourth proportional to 144,452.68, 199,353.92 and 80,790.96 is: 111,496.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,452.68 : 199,353.92 = 80,790.96 : x
  2. Step 2: Convert to fraction form
    144,452.68/199,353.92 = 80,790.96/x
  3. Step 3: Cross multiply
    144,452.68x = 199,353.92 × 80,790.96
  4. Step 4: Simplify right side
    144,452.68x = 16,105,994,576.56
  5. Step 5: Solve for x
    x = 16,105,994,576.56/144,452.68
  6. Step 6: Final answer
    x = 111,496.68

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