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Finding the Fourth Proportional to 179.06, 268.66 and 106.88

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Solution

The fourth proportional to 179.06, 268.66 and 106.88 is: 160.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.06 : 268.66 = 106.88 : x
  2. Step 2: Convert to fraction form
    179.06/268.66 = 106.88/x
  3. Step 3: Cross multiply
    179.06x = 268.66 × 106.88
  4. Step 4: Simplify right side
    179.06x = 28,712.77
  5. Step 5: Solve for x
    x = 28,712.77/179.06
  6. Step 6: Final answer
    x = 160.36

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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.