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Finding the Fourth Proportional to 169.99, 234.61 and 96.32

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Solution

The fourth proportional to 169.99, 234.61 and 96.32 is: 132.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.99 : 234.61 = 96.32 : x
  2. Step 2: Convert to fraction form
    169.99/234.61 = 96.32/x
  3. Step 3: Cross multiply
    169.99x = 234.61 × 96.32
  4. Step 4: Simplify right side
    169.99x = 22,597.98
  5. Step 5: Solve for x
    x = 22,597.98/169.99
  6. Step 6: Final answer
    x = 132.94

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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.