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Finding the Fourth Proportional to 183.11, 254.03 and 174.20

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Solution

The fourth proportional to 183.11, 254.03 and 174.20 is: 241.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.11 : 254.03 = 174.20 : x
  2. Step 2: Convert to fraction form
    183.11/254.03 = 174.20/x
  3. Step 3: Cross multiply
    183.11x = 254.03 × 174.20
  4. Step 4: Simplify right side
    183.11x = 44,252.03
  5. Step 5: Solve for x
    x = 44,252.03/183.11
  6. Step 6: Final answer
    x = 241.67

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.