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Finding the Fourth Proportional to 110,731.20, 166,048.20 and 44,149.20

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Solution

The fourth proportional to 110,731.20, 166,048.20 and 44,149.20 is: 66,204.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,731.20 : 166,048.20 = 44,149.20 : x
  2. Step 2: Convert to fraction form
    110,731.20/166,048.20 = 44,149.20/x
  3. Step 3: Cross multiply
    110,731.20x = 166,048.20 × 44,149.20
  4. Step 4: Simplify right side
    110,731.20x = 7,330,895,191.44
  5. Step 5: Solve for x
    x = 7,330,895,191.44/110,731.20
  6. Step 6: Final answer
    x = 66,204.42

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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.