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Finding the Fourth Proportional to 165.82, 248.71 and 44.08

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Solution

The fourth proportional to 165.82, 248.71 and 44.08 is: 66.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    165.82 : 248.71 = 44.08 : x
  2. Step 2: Convert to fraction form
    165.82/248.71 = 44.08/x
  3. Step 3: Cross multiply
    165.82x = 248.71 × 44.08
  4. Step 4: Simplify right side
    165.82x = 10,963.14
  5. Step 5: Solve for x
    x = 10,963.14/165.82
  6. Step 6: Final answer
    x = 66.11

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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.