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Finding the Fourth Proportional to 169.99, 234.59 and 96.30

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Solution

The fourth proportional to 169.99, 234.59 and 96.30 is: 132.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.99 : 234.59 = 96.30 : x
  2. Step 2: Convert to fraction form
    169.99/234.59 = 96.30/x
  3. Step 3: Cross multiply
    169.99x = 234.59 × 96.30
  4. Step 4: Simplify right side
    169.99x = 22,591.02
  5. Step 5: Solve for x
    x = 22,591.02/169.99
  6. Step 6: Final answer
    x = 132.90

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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.