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Finding the Fourth Proportional to 67,125.97, 100,692.02 and 33,806.35

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Solution

The fourth proportional to 67,125.97, 100,692.02 and 33,806.35 is: 50,711.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,125.97 : 100,692.02 = 33,806.35 : x
  2. Step 2: Convert to fraction form
    67,125.97/100,692.02 = 33,806.35/x
  3. Step 3: Cross multiply
    67,125.97x = 100,692.02 × 33,806.35
  4. Step 4: Simplify right side
    67,125.97x = 3,404,029,670.33
  5. Step 5: Solve for x
    x = 3,404,029,670.33/67,125.97
  6. Step 6: Final answer
    x = 50,711.07

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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.