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Finding the Fourth Proportional to 179.37, 268.62 and 92.43

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Solution

The fourth proportional to 179.37, 268.62 and 92.43 is: 138.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.37 : 268.62 = 92.43 : x
  2. Step 2: Convert to fraction form
    179.37/268.62 = 92.43/x
  3. Step 3: Cross multiply
    179.37x = 268.62 × 92.43
  4. Step 4: Simplify right side
    179.37x = 24,828.55
  5. Step 5: Solve for x
    x = 24,828.55/179.37
  6. Step 6: Final answer
    x = 138.42

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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.