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Finding the Fourth Proportional to 169.94, 254.94 and 96.82

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Solution

The fourth proportional to 169.94, 254.94 and 96.82 is: 145.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.94 : 254.94 = 96.82 : x
  2. Step 2: Convert to fraction form
    169.94/254.94 = 96.82/x
  3. Step 3: Cross multiply
    169.94x = 254.94 × 96.82
  4. Step 4: Simplify right side
    169.94x = 24,683.29
  5. Step 5: Solve for x
    x = 24,683.29/169.94
  6. Step 6: Final answer
    x = 145.25

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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.