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Finding the Fourth Proportional to 169,819.20, 254,072.70 and 110,770.20

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Solution

The fourth proportional to 169,819.20, 254,072.70 and 110,770.20 is: 165,727.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,819.20 : 254,072.70 = 110,770.20 : x
  2. Step 2: Convert to fraction form
    169,819.20/254,072.70 = 110,770.20/x
  3. Step 3: Cross multiply
    169,819.20x = 254,072.70 × 110,770.20
  4. Step 4: Simplify right side
    169,819.20x = 28,143,683,793.54
  5. Step 5: Solve for x
    x = 28,143,683,793.54/169,819.20
  6. Step 6: Final answer
    x = 165,727.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.