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Finding the Fourth Proportional to 179.22, 268.44 and 173.04

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Solution

The fourth proportional to 179.22, 268.44 and 173.04 is: 259.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.22 : 268.44 = 173.04 : x
  2. Step 2: Convert to fraction form
    179.22/268.44 = 173.04/x
  3. Step 3: Cross multiply
    179.22x = 268.44 × 173.04
  4. Step 4: Simplify right side
    179.22x = 46,450.86
  5. Step 5: Solve for x
    x = 46,450.86/179.22
  6. Step 6: Final answer
    x = 259.18

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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.