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Finding the Fourth Proportional to 165.59, 248.44 and 92.44

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Solution

The fourth proportional to 165.59, 248.44 and 92.44 is: 138.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    165.59 : 248.44 = 92.44 : x
  2. Step 2: Convert to fraction form
    165.59/248.44 = 92.44/x
  3. Step 3: Cross multiply
    165.59x = 248.44 × 92.44
  4. Step 4: Simplify right side
    165.59x = 22,966.31
  5. Step 5: Solve for x
    x = 22,966.31/165.59
  6. Step 6: Final answer
    x = 138.69

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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.