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Finding the Fourth Proportional to 165.96, 248.84 and 97.50

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Solution

The fourth proportional to 165.96, 248.84 and 97.50 is: 146.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    165.96 : 248.84 = 97.50 : x
  2. Step 2: Convert to fraction form
    165.96/248.84 = 97.50/x
  3. Step 3: Cross multiply
    165.96x = 248.84 × 97.50
  4. Step 4: Simplify right side
    165.96x = 24,261.90
  5. Step 5: Solve for x
    x = 24,261.90/165.96
  6. Step 6: Final answer
    x = 146.19

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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.