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Finding the Fourth Proportional to 110,764.80, 166,163.40 and 35,872.20

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Solution

The fourth proportional to 110,764.80, 166,163.40 and 35,872.20 is: 53,813.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,764.80 : 166,163.40 = 35,872.20 : x
  2. Step 2: Convert to fraction form
    110,764.80/166,163.40 = 35,872.20/x
  3. Step 3: Cross multiply
    110,764.80x = 166,163.40 × 35,872.20
  4. Step 4: Simplify right side
    110,764.80x = 5,960,646,717.48
  5. Step 5: Solve for x
    x = 5,960,646,717.48/110,764.80
  6. Step 6: Final answer
    x = 53,813.55

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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.