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Finding the Fourth Proportional to 179.04, 268.16 and 106.96

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Solution

The fourth proportional to 179.04, 268.16 and 106.96 is: 160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.04 : 268.16 = 106.96 : x
  2. Step 2: Convert to fraction form
    179.04/268.16 = 106.96/x
  3. Step 3: Cross multiply
    179.04x = 268.16 × 106.96
  4. Step 4: Simplify right side
    179.04x = 28,682.39
  5. Step 5: Solve for x
    x = 28,682.39/179.04
  6. Step 6: Final answer
    x = 160.20

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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.