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Finding the Fourth Proportional to 234.12, 323.04 and 146.82

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Solution

The fourth proportional to 234.12, 323.04 and 146.82 is: 202.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.12 : 323.04 = 146.82 : x
  2. Step 2: Convert to fraction form
    234.12/323.04 = 146.82/x
  3. Step 3: Cross multiply
    234.12x = 323.04 × 146.82
  4. Step 4: Simplify right side
    234.12x = 47,428.73
  5. Step 5: Solve for x
    x = 47,428.73/234.12
  6. Step 6: Final answer
    x = 202.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.