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Finding the Fourth Proportional to 174.52, 262.01 and 102.43

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Solution

The fourth proportional to 174.52, 262.01 and 102.43 is: 153.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.52 : 262.01 = 102.43 : x
  2. Step 2: Convert to fraction form
    174.52/262.01 = 102.43/x
  3. Step 3: Cross multiply
    174.52x = 262.01 × 102.43
  4. Step 4: Simplify right side
    174.52x = 26,837.68
  5. Step 5: Solve for x
    x = 26,837.68/174.52
  6. Step 6: Final answer
    x = 153.78

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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.