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Finding the Fourth Proportional to 231.12, 346.08 and 182.88

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Solution

The fourth proportional to 231.12, 346.08 and 182.88 is: 273.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    231.12 : 346.08 = 182.88 : x
  2. Step 2: Convert to fraction form
    231.12/346.08 = 182.88/x
  3. Step 3: Cross multiply
    231.12x = 346.08 × 182.88
  4. Step 4: Simplify right side
    231.12x = 63,291.11
  5. Step 5: Solve for x
    x = 63,291.11/231.12
  6. Step 6: Final answer
    x = 273.85

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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.