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Finding the Fourth Proportional to 264.69, 365.11 and 166.28

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Solution

The fourth proportional to 264.69, 365.11 and 166.28 is: 229.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.69 : 365.11 = 166.28 : x
  2. Step 2: Convert to fraction form
    264.69/365.11 = 166.28/x
  3. Step 3: Cross multiply
    264.69x = 365.11 × 166.28
  4. Step 4: Simplify right side
    264.69x = 60,708.25
  5. Step 5: Solve for x
    x = 60,708.25/264.69
  6. Step 6: Final answer
    x = 229.36

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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.