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Finding the Fourth Proportional to 234,410.90, 351,626.09 and 68,198.90

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Solution

The fourth proportional to 234,410.90, 351,626.09 and 68,198.90 is: 102,301.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,410.90 : 351,626.09 = 68,198.90 : x
  2. Step 2: Convert to fraction form
    234,410.90/351,626.09 = 68,198.90/x
  3. Step 3: Cross multiply
    234,410.90x = 351,626.09 × 68,198.90
  4. Step 4: Simplify right side
    234,410.90x = 23,980,510,450.18
  5. Step 5: Solve for x
    x = 23,980,510,450.18/234,410.90
  6. Step 6: Final answer
    x = 102,301.18

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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.