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Finding the Fourth Proportional to 174.62, 262.04 and 97.74

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Solution

The fourth proportional to 174.62, 262.04 and 97.74 is: 146.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.62 : 262.04 = 97.74 : x
  2. Step 2: Convert to fraction form
    174.62/262.04 = 97.74/x
  3. Step 3: Cross multiply
    174.62x = 262.04 × 97.74
  4. Step 4: Simplify right side
    174.62x = 25,611.30
  5. Step 5: Solve for x
    x = 25,611.30/174.62
  6. Step 6: Final answer
    x = 146.67

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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.