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Finding the Fourth Proportional to 183.34, 274.56 and 114.76

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Solution

The fourth proportional to 183.34, 274.56 and 114.76 is: 171.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    183.34 : 274.56 = 114.76 : x
  2. Step 2: Convert to fraction form
    183.34/274.56 = 114.76/x
  3. Step 3: Cross multiply
    183.34x = 274.56 × 114.76
  4. Step 4: Simplify right side
    183.34x = 31,508.51
  5. Step 5: Solve for x
    x = 31,508.51/183.34
  6. Step 6: Final answer
    x = 171.86

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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.