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Finding the Fourth Proportional to 165.94, 248.83 and 97.48

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Solution

The fourth proportional to 165.94, 248.83 and 97.48 is: 146.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165.94 : 248.83 = 97.48 : x
  2. Step 2: Convert to fraction form
    165.94/248.83 = 97.48/x
  3. Step 3: Cross multiply
    165.94x = 248.83 × 97.48
  4. Step 4: Simplify right side
    165.94x = 24,255.95
  5. Step 5: Solve for x
    x = 24,255.95/165.94
  6. Step 6: Final answer
    x = 146.17

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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.