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Finding the Fourth Proportional to 68,813.74, 103,195.86 and 23,822.88

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Solution

The fourth proportional to 68,813.74, 103,195.86 and 23,822.88 is: 35,725.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,813.74 : 103,195.86 = 23,822.88 : x
  2. Step 2: Convert to fraction form
    68,813.74/103,195.86 = 23,822.88/x
  3. Step 3: Cross multiply
    68,813.74x = 103,195.86 × 23,822.88
  4. Step 4: Simplify right side
    68,813.74x = 2,458,422,589.28
  5. Step 5: Solve for x
    x = 2,458,422,589.28/68,813.74
  6. Step 6: Final answer
    x = 35,725.75

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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.