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Finding the Fourth Proportional to 67,184.88, 92,676.57 and 41,990.64

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Solution

The fourth proportional to 67,184.88, 92,676.57 and 41,990.64 is: 57,922.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,184.88 : 92,676.57 = 41,990.64 : x
  2. Step 2: Convert to fraction form
    67,184.88/92,676.57 = 41,990.64/x
  3. Step 3: Cross multiply
    67,184.88x = 92,676.57 × 41,990.64
  4. Step 4: Simplify right side
    67,184.88x = 3,891,548,487.30
  5. Step 5: Solve for x
    x = 3,891,548,487.30/67,184.88
  6. Step 6: Final answer
    x = 57,922.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.