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Finding the Fourth Proportional to 119,842.44, 165,382.44 and 66,127.44

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Solution

The fourth proportional to 119,842.44, 165,382.44 and 66,127.44 is: 91,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,842.44 : 165,382.44 = 66,127.44 : x
  2. Step 2: Convert to fraction form
    119,842.44/165,382.44 = 66,127.44/x
  3. Step 3: Cross multiply
    119,842.44x = 165,382.44 × 66,127.44
  4. Step 4: Simplify right side
    119,842.44x = 10,936,317,378.15
  5. Step 5: Solve for x
    x = 10,936,317,378.15/119,842.44
  6. Step 6: Final answer
    x = 91,255.80

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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.