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Finding the Fourth Proportional to 68,843.68, 103,276.33 and 29,401

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Solution

The fourth proportional to 68,843.68, 103,276.33 and 29,401 is: 44,106.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,843.68 : 103,276.33 = 29,401 : x
  2. Step 2: Convert to fraction form
    68,843.68/103,276.33 = 29,401/x
  3. Step 3: Cross multiply
    68,843.68x = 103,276.33 × 29,401
  4. Step 4: Simplify right side
    68,843.68x = 3,036,427,378.33
  5. Step 5: Solve for x
    x = 3,036,427,378.33/68,843.68
  6. Step 6: Final answer
    x = 44,106.12

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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.