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Finding the Fourth Proportional to 167.63, 251.60 and 152.42

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Solution

The fourth proportional to 167.63, 251.60 and 152.42 is: 228.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    167.63 : 251.60 = 152.42 : x
  2. Step 2: Convert to fraction form
    167.63/251.60 = 152.42/x
  3. Step 3: Cross multiply
    167.63x = 251.60 × 152.42
  4. Step 4: Simplify right side
    167.63x = 38,346.85
  5. Step 5: Solve for x
    x = 38,346.85/167.63
  6. Step 6: Final answer
    x = 228.77

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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.