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Finding the Fourth Proportional to 179.04, 268.72 and 110.69

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Solution

The fourth proportional to 179.04, 268.72 and 110.69 is: 166.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.04 : 268.72 = 110.69 : x
  2. Step 2: Convert to fraction form
    179.04/268.72 = 110.69/x
  3. Step 3: Cross multiply
    179.04x = 268.72 × 110.69
  4. Step 4: Simplify right side
    179.04x = 29,744.62
  5. Step 5: Solve for x
    x = 29,744.62/179.04
  6. Step 6: Final answer
    x = 166.13

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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.