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Finding the Fourth Proportional to 67,177.44, 100,692.36 and 27,713.16

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Solution

The fourth proportional to 67,177.44, 100,692.36 and 27,713.16 is: 41,539.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,177.44 : 100,692.36 = 27,713.16 : x
  2. Step 2: Convert to fraction form
    67,177.44/100,692.36 = 27,713.16/x
  3. Step 3: Cross multiply
    67,177.44x = 100,692.36 × 27,713.16
  4. Step 4: Simplify right side
    67,177.44x = 2,790,503,483.46
  5. Step 5: Solve for x
    x = 2,790,503,483.46/67,177.44
  6. Step 6: Final answer
    x = 41,539.29

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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.