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Finding the Fourth Proportional to 264.60, 365.31 and 166.32

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Solution

The fourth proportional to 264.60, 365.31 and 166.32 is: 229.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    264.60 : 365.31 = 166.32 : x
  2. Step 2: Convert to fraction form
    264.60/365.31 = 166.32/x
  3. Step 3: Cross multiply
    264.60x = 365.31 × 166.32
  4. Step 4: Simplify right side
    264.60x = 60,758.36
  5. Step 5: Solve for x
    x = 60,758.36/264.60
  6. Step 6: Final answer
    x = 229.62

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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.