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Finding the Fourth Proportional to 234.12, 351.18 and 202.44

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Solution

The fourth proportional to 234.12, 351.18 and 202.44 is: 303.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.12 : 351.18 = 202.44 : x
  2. Step 2: Convert to fraction form
    234.12/351.18 = 202.44/x
  3. Step 3: Cross multiply
    234.12x = 351.18 × 202.44
  4. Step 4: Simplify right side
    234.12x = 71,092.88
  5. Step 5: Solve for x
    x = 71,092.88/234.12
  6. Step 6: Final answer
    x = 303.66

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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.