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Finding the Fourth Proportional to 169,819.70, 254,729.55 and 110,722.10

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Solution

The fourth proportional to 169,819.70, 254,729.55 and 110,722.10 is: 166,083.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,819.70 : 254,729.55 = 110,722.10 : x
  2. Step 2: Convert to fraction form
    169,819.70/254,729.55 = 110,722.10/x
  3. Step 3: Cross multiply
    169,819.70x = 254,729.55 × 110,722.10
  4. Step 4: Simplify right side
    169,819.70x = 28,204,190,708.06
  5. Step 5: Solve for x
    x = 28,204,190,708.06/169,819.70
  6. Step 6: Final answer
    x = 166,083.15

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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.