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Finding the Fourth Proportional to 110,694.80, 166,042.20 and 36,822.80

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Solution

The fourth proportional to 110,694.80, 166,042.20 and 36,822.80 is: 55,234.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,694.80 : 166,042.20 = 36,822.80 : x
  2. Step 2: Convert to fraction form
    110,694.80/166,042.20 = 36,822.80/x
  3. Step 3: Cross multiply
    110,694.80x = 166,042.20 × 36,822.80
  4. Step 4: Simplify right side
    110,694.80x = 6,114,138,722.16
  5. Step 5: Solve for x
    x = 6,114,138,722.16/110,694.80
  6. Step 6: Final answer
    x = 55,234.20

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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.