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Finding the Fourth Proportional to 68,448.98, 94,463.28 and 38,234.97

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Solution

The fourth proportional to 68,448.98, 94,463.28 and 38,234.97 is: 52,766.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,448.98 : 94,463.28 = 38,234.97 : x
  2. Step 2: Convert to fraction form
    68,448.98/94,463.28 = 38,234.97/x
  3. Step 3: Cross multiply
    68,448.98x = 94,463.28 × 38,234.97
  4. Step 4: Simplify right side
    68,448.98x = 3,611,800,676.90
  5. Step 5: Solve for x
    x = 3,611,800,676.90/68,448.98
  6. Step 6: Final answer
    x = 52,766.32

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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.