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Finding the Fourth Proportional to 83,768.88, 125,604.72 and 33,808.08

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Solution

The fourth proportional to 83,768.88, 125,604.72 and 33,808.08 is: 50,692.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,768.88 : 125,604.72 = 33,808.08 : x
  2. Step 2: Convert to fraction form
    83,768.88/125,604.72 = 33,808.08/x
  3. Step 3: Cross multiply
    83,768.88x = 125,604.72 × 33,808.08
  4. Step 4: Simplify right side
    83,768.88x = 4,246,454,422.14
  5. Step 5: Solve for x
    x = 4,246,454,422.14/83,768.88
  6. Step 6: Final answer
    x = 50,692.51

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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.