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Finding the Fourth Proportional to 144,472.47, 199,361.19 and 80,797.97

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Solution

The fourth proportional to 144,472.47, 199,361.19 and 80,797.97 is: 111,495.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,472.47 : 199,361.19 = 80,797.97 : x
  2. Step 2: Convert to fraction form
    144,472.47/199,361.19 = 80,797.97/x
  3. Step 3: Cross multiply
    144,472.47x = 199,361.19 × 80,797.97
  4. Step 4: Simplify right side
    144,472.47x = 16,107,978,451.98
  5. Step 5: Solve for x
    x = 16,107,978,451.98/144,472.47
  6. Step 6: Final answer
    x = 111,495.14

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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.