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Finding the Fourth Proportional to 119.49, 164.57 and 96.14

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Solution

The fourth proportional to 119.49, 164.57 and 96.14 is: 132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    119.49 : 164.57 = 96.14 : x
  2. Step 2: Convert to fraction form
    119.49/164.57 = 96.14/x
  3. Step 3: Cross multiply
    119.49x = 164.57 × 96.14
  4. Step 4: Simplify right side
    119.49x = 15,820.46
  5. Step 5: Solve for x
    x = 15,820.46/119.49
  6. Step 6: Final answer
    x = 132.40

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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.