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Finding the Fourth Proportional to 234.71, 352.47 and 162.62

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Solution

The fourth proportional to 234.71, 352.47 and 162.62 is: 244.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.71 : 352.47 = 162.62 : x
  2. Step 2: Convert to fraction form
    234.71/352.47 = 162.62/x
  3. Step 3: Cross multiply
    234.71x = 352.47 × 162.62
  4. Step 4: Simplify right side
    234.71x = 57,318.67
  5. Step 5: Solve for x
    x = 57,318.67/234.71
  6. Step 6: Final answer
    x = 244.21

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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.