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Finding the Fourth Proportional to 234,333.25, 351,559.82 and 68,121.25

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Solution

The fourth proportional to 234,333.25, 351,559.82 and 68,121.25 is: 102,199.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,333.25 : 351,559.82 = 68,121.25 : x
  2. Step 2: Convert to fraction form
    234,333.25/351,559.82 = 68,121.25/x
  3. Step 3: Cross multiply
    234,333.25x = 351,559.82 × 68,121.25
  4. Step 4: Simplify right side
    234,333.25x = 23,948,694,047.57
  5. Step 5: Solve for x
    x = 23,948,694,047.57/234,333.25
  6. Step 6: Final answer
    x = 102,199.30

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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.