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Finding the Fourth Proportional to 165.96, 228.97 and 96.00

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Solution

The fourth proportional to 165.96, 228.97 and 96.00 is: 132.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165.96 : 228.97 = 96.00 : x
  2. Step 2: Convert to fraction form
    165.96/228.97 = 96.00/x
  3. Step 3: Cross multiply
    165.96x = 228.97 × 96.00
  4. Step 4: Simplify right side
    165.96x = 21,982.08
  5. Step 5: Solve for x
    x = 21,982.08/165.96
  6. Step 6: Final answer
    x = 132.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.