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Finding the Fourth Proportional to 234.69, 352.26 and 166.02

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Solution

The fourth proportional to 234.69, 352.26 and 166.02 is: 249.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    234.69 : 352.26 = 166.02 : x
  2. Step 2: Convert to fraction form
    234.69/352.26 = 166.02/x
  3. Step 3: Cross multiply
    234.69x = 352.26 × 166.02
  4. Step 4: Simplify right side
    234.69x = 58,482.21
  5. Step 5: Solve for x
    x = 58,482.21/234.69
  6. Step 6: Final answer
    x = 249.19

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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.