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Finding the Fourth Proportional to 110,139.66, 165,209.64 and 27,033.66

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Solution

The fourth proportional to 110,139.66, 165,209.64 and 27,033.66 is: 40,550.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,139.66 : 165,209.64 = 27,033.66 : x
  2. Step 2: Convert to fraction form
    110,139.66/165,209.64 = 27,033.66/x
  3. Step 3: Cross multiply
    110,139.66x = 165,209.64 × 27,033.66
  4. Step 4: Simplify right side
    110,139.66x = 4,466,221,236.48
  5. Step 5: Solve for x
    x = 4,466,221,236.48/110,139.66
  6. Step 6: Final answer
    x = 40,550.53

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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.