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Finding the Fourth Proportional to 110,643.84, 165,976.08 and 44,067.90

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Solution

The fourth proportional to 110,643.84, 165,976.08 and 44,067.90 is: 66,105.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,643.84 : 165,976.08 = 44,067.90 : x
  2. Step 2: Convert to fraction form
    110,643.84/165,976.08 = 44,067.90/x
  3. Step 3: Cross multiply
    110,643.84x = 165,976.08 × 44,067.90
  4. Step 4: Simplify right side
    110,643.84x = 7,314,217,295.83
  5. Step 5: Solve for x
    x = 7,314,217,295.83/110,643.84
  6. Step 6: Final answer
    x = 66,105.96

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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.