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Finding the Fourth Proportional to 184.34, 276.72 and 115.92

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Solution

The fourth proportional to 184.34, 276.72 and 115.92 is: 174.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.34 : 276.72 = 115.92 : x
  2. Step 2: Convert to fraction form
    184.34/276.72 = 115.92/x
  3. Step 3: Cross multiply
    184.34x = 276.72 × 115.92
  4. Step 4: Simplify right side
    184.34x = 32,076.56
  5. Step 5: Solve for x
    x = 32,076.56/184.34
  6. Step 6: Final answer
    x = 174.01

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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.