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Finding the Fourth Proportional to 144,508.56, 199,429.56 and 80,842.56

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Solution

The fourth proportional to 144,508.56, 199,429.56 and 80,842.56 is: 111,567.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,508.56 : 199,429.56 = 80,842.56 : x
  2. Step 2: Convert to fraction form
    144,508.56/199,429.56 = 80,842.56/x
  3. Step 3: Cross multiply
    144,508.56x = 199,429.56 × 80,842.56
  4. Step 4: Simplify right side
    144,508.56x = 16,122,396,170.07
  5. Step 5: Solve for x
    x = 16,122,396,170.07/144,508.56
  6. Step 6: Final answer
    x = 111,567.07

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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.