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Finding the Fourth Proportional to 119,773.92, 165,288.24 and 66,057.44

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Solution

The fourth proportional to 119,773.92, 165,288.24 and 66,057.44 is: 91,159.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,773.92 : 165,288.24 = 66,057.44 : x
  2. Step 2: Convert to fraction form
    119,773.92/165,288.24 = 66,057.44/x
  3. Step 3: Cross multiply
    119,773.92x = 165,288.24 × 66,057.44
  4. Step 4: Simplify right side
    119,773.92x = 10,918,517,996.51
  5. Step 5: Solve for x
    x = 10,918,517,996.51/119,773.92
  6. Step 6: Final answer
    x = 91,159.39

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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.