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Finding the Fourth Proportional to 165.33, 247.59 and 92.97

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Solution

The fourth proportional to 165.33, 247.59 and 92.97 is: 139.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    165.33 : 247.59 = 92.97 : x
  2. Step 2: Convert to fraction form
    165.33/247.59 = 92.97/x
  3. Step 3: Cross multiply
    165.33x = 247.59 × 92.97
  4. Step 4: Simplify right side
    165.33x = 23,018.44
  5. Step 5: Solve for x
    x = 23,018.44/165.33
  6. Step 6: Final answer
    x = 139.23

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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.