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Finding the Fourth Proportional to 179.14, 268.68 and 82.93

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Solution

The fourth proportional to 179.14, 268.68 and 82.93 is: 124.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.14 : 268.68 = 82.93 : x
  2. Step 2: Convert to fraction form
    179.14/268.68 = 82.93/x
  3. Step 3: Cross multiply
    179.14x = 268.68 × 82.93
  4. Step 4: Simplify right side
    179.14x = 22,281.63
  5. Step 5: Solve for x
    x = 22,281.63/179.14
  6. Step 6: Final answer
    x = 124.38

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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.