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Finding the Fourth Proportional to 234.84, 351.99 and 106.44

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Solution

The fourth proportional to 234.84, 351.99 and 106.44 is: 159.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.84 : 351.99 = 106.44 : x
  2. Step 2: Convert to fraction form
    234.84/351.99 = 106.44/x
  3. Step 3: Cross multiply
    234.84x = 351.99 × 106.44
  4. Step 4: Simplify right side
    234.84x = 37,465.82
  5. Step 5: Solve for x
    x = 37,465.82/234.84
  6. Step 6: Final answer
    x = 159.54

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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.