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Finding the Fourth Proportional to 174.75, 262.13 and 60.75

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Solution

The fourth proportional to 174.75, 262.13 and 60.75 is: 91.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.75 : 262.13 = 60.75 : x
  2. Step 2: Convert to fraction form
    174.75/262.13 = 60.75/x
  3. Step 3: Cross multiply
    174.75x = 262.13 × 60.75
  4. Step 4: Simplify right side
    174.75x = 15,924.09
  5. Step 5: Solve for x
    x = 15,924.09/174.75
  6. Step 6: Final answer
    x = 91.13

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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.