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Finding the Fourth Proportional to 174.72, 262.20 and 93.54

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Solution

The fourth proportional to 174.72, 262.20 and 93.54 is: 140.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.72 : 262.20 = 93.54 : x
  2. Step 2: Convert to fraction form
    174.72/262.20 = 93.54/x
  3. Step 3: Cross multiply
    174.72x = 262.20 × 93.54
  4. Step 4: Simplify right side
    174.72x = 24,526.19
  5. Step 5: Solve for x
    x = 24,526.19/174.72
  6. Step 6: Final answer
    x = 140.37

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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.