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Finding the Fourth Proportional to 68,891, 103,343.03 and 26,774.33

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Solution

The fourth proportional to 68,891, 103,343.03 and 26,774.33 is: 40,164.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,891 : 103,343.03 = 26,774.33 : x
  2. Step 2: Convert to fraction form
    68,891/103,343.03 = 26,774.33/x
  3. Step 3: Cross multiply
    68,891x = 103,343.03 × 26,774.33
  4. Step 4: Simplify right side
    68,891x = 2,766,940,388.42
  5. Step 5: Solve for x
    x = 2,766,940,388.42/68,891
  6. Step 6: Final answer
    x = 40,164.03

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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.