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Finding the Fourth Proportional to 144,584.67, 199,519.02 and 80,910.17

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Solution

The fourth proportional to 144,584.67, 199,519.02 and 80,910.17 is: 111,651.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,584.67 : 199,519.02 = 80,910.17 : x
  2. Step 2: Convert to fraction form
    144,584.67/199,519.02 = 80,910.17/x
  3. Step 3: Cross multiply
    144,584.67x = 199,519.02 × 80,910.17
  4. Step 4: Simplify right side
    144,584.67x = 16,143,117,826.43
  5. Step 5: Solve for x
    x = 16,143,117,826.43/144,584.67
  6. Step 6: Final answer
    x = 111,651.66

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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.