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Finding the Fourth Proportional to 110,791.80, 166,217.40 and 44,278.65

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Solution

The fourth proportional to 110,791.80, 166,217.40 and 44,278.65 is: 66,429.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,791.80 : 166,217.40 = 44,278.65 : x
  2. Step 2: Convert to fraction form
    110,791.80/166,217.40 = 44,278.65/x
  3. Step 3: Cross multiply
    110,791.80x = 166,217.40 × 44,278.65
  4. Step 4: Simplify right side
    110,791.80x = 7,359,882,078.51
  5. Step 5: Solve for x
    x = 7,359,882,078.51/110,791.80
  6. Step 6: Final answer
    x = 66,429.84

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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.