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Finding the Fourth Proportional to 68,781.84, 103,173.23 and 22,034.73

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Solution

The fourth proportional to 68,781.84, 103,173.23 and 22,034.73 is: 33,052.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,781.84 : 103,173.23 = 22,034.73 : x
  2. Step 2: Convert to fraction form
    68,781.84/103,173.23 = 22,034.73/x
  3. Step 3: Cross multiply
    68,781.84x = 103,173.23 × 22,034.73
  4. Step 4: Simplify right side
    68,781.84x = 2,273,394,156.10
  5. Step 5: Solve for x
    x = 2,273,394,156.10/68,781.84
  6. Step 6: Final answer
    x = 33,052.24

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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.