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Finding the Fourth Proportional to 68,995, 103,517.48 and 33,959.26

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Solution

The fourth proportional to 68,995, 103,517.48 and 33,959.26 is: 50,951.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,995 : 103,517.48 = 33,959.26 : x
  2. Step 2: Convert to fraction form
    68,995/103,517.48 = 33,959.26/x
  3. Step 3: Cross multiply
    68,995x = 103,517.48 × 33,959.26
  4. Step 4: Simplify right side
    68,995x = 3,515,377,017.86
  5. Step 5: Solve for x
    x = 3,515,377,017.86/68,995
  6. Step 6: Final answer
    x = 50,951.19

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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.