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Finding the Fourth Proportional to 68,393.50, 102,589.17 and 35,094.36

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Solution

The fourth proportional to 68,393.50, 102,589.17 and 35,094.36 is: 52,640.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,393.50 : 102,589.17 = 35,094.36 : x
  2. Step 2: Convert to fraction form
    68,393.50/102,589.17 = 35,094.36/x
  3. Step 3: Cross multiply
    68,393.50x = 102,589.17 × 35,094.36
  4. Step 4: Simplify right side
    68,393.50x = 3,600,301,517.19
  5. Step 5: Solve for x
    x = 3,600,301,517.19/68,393.50
  6. Step 6: Final answer
    x = 52,640.99

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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.