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Finding the Fourth Proportional to 174.08, 262.36 and 163.64

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Solution

The fourth proportional to 174.08, 262.36 and 163.64 is: 246.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.08 : 262.36 = 163.64 : x
  2. Step 2: Convert to fraction form
    174.08/262.36 = 163.64/x
  3. Step 3: Cross multiply
    174.08x = 262.36 × 163.64
  4. Step 4: Simplify right side
    174.08x = 42,932.59
  5. Step 5: Solve for x
    x = 42,932.59/174.08
  6. Step 6: Final answer
    x = 246.63

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.