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Finding the Fourth Proportional to 265.20, 365.88 and 182.16

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Solution

The fourth proportional to 265.20, 365.88 and 182.16 is: 251.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.20 : 365.88 = 182.16 : x
  2. Step 2: Convert to fraction form
    265.20/365.88 = 182.16/x
  3. Step 3: Cross multiply
    265.20x = 365.88 × 182.16
  4. Step 4: Simplify right side
    265.20x = 66,648.70
  5. Step 5: Solve for x
    x = 66,648.70/265.20
  6. Step 6: Final answer
    x = 251.31

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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.