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Finding the Fourth Proportional to 184.14, 276.21 and 102.92

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Solution

The fourth proportional to 184.14, 276.21 and 102.92 is: 154.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.14 : 276.21 = 102.92 : x
  2. Step 2: Convert to fraction form
    184.14/276.21 = 102.92/x
  3. Step 3: Cross multiply
    184.14x = 276.21 × 102.92
  4. Step 4: Simplify right side
    184.14x = 28,426.15
  5. Step 5: Solve for x
    x = 28,426.15/184.14
  6. Step 6: Final answer
    x = 154.38

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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.