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Finding the Fourth Proportional to 183.32, 274.83 and 114.67

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Solution

The fourth proportional to 183.32, 274.83 and 114.67 is: 171.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.32 : 274.83 = 114.67 : x
  2. Step 2: Convert to fraction form
    183.32/274.83 = 114.67/x
  3. Step 3: Cross multiply
    183.32x = 274.83 × 114.67
  4. Step 4: Simplify right side
    183.32x = 31,514.67
  5. Step 5: Solve for x
    x = 31,514.67/183.32
  6. Step 6: Final answer
    x = 171.91

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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.