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Finding the Fourth Proportional to 177,645.56, 244,874.70 and 120,959.48

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Solution

The fourth proportional to 177,645.56, 244,874.70 and 120,959.48 is: 166,736.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,645.56 : 244,874.70 = 120,959.48 : x
  2. Step 2: Convert to fraction form
    177,645.56/244,874.70 = 120,959.48/x
  3. Step 3: Cross multiply
    177,645.56x = 244,874.70 × 120,959.48
  4. Step 4: Simplify right side
    177,645.56x = 29,619,916,377.16
  5. Step 5: Solve for x
    x = 29,619,916,377.16/177,645.56
  6. Step 6: Final answer
    x = 166,736.04

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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.