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Finding the Fourth Proportional to 231.60, 346.84 and 182.68

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Solution

The fourth proportional to 231.60, 346.84 and 182.68 is: 273.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    231.60 : 346.84 = 182.68 : x
  2. Step 2: Convert to fraction form
    231.60/346.84 = 182.68/x
  3. Step 3: Cross multiply
    231.60x = 346.84 × 182.68
  4. Step 4: Simplify right side
    231.60x = 63,360.73
  5. Step 5: Solve for x
    x = 63,360.73/231.60
  6. Step 6: Final answer
    x = 273.58

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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.