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Finding the Fourth Proportional to 110,049.88, 165,169.08 and 109,221.52

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Solution

The fourth proportional to 110,049.88, 165,169.08 and 109,221.52 is: 163,925.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,049.88 : 165,169.08 = 109,221.52 : x
  2. Step 2: Convert to fraction form
    110,049.88/165,169.08 = 109,221.52/x
  3. Step 3: Cross multiply
    110,049.88x = 165,169.08 × 109,221.52
  4. Step 4: Simplify right side
    110,049.88x = 18,040,017,974.60
  5. Step 5: Solve for x
    x = 18,040,017,974.60/110,049.88
  6. Step 6: Final answer
    x = 163,925.83

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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.