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Finding the Fourth Proportional to 184.29, 276.15 and 115.62

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Solution

The fourth proportional to 184.29, 276.15 and 115.62 is: 173.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.29 : 276.15 = 115.62 : x
  2. Step 2: Convert to fraction form
    184.29/276.15 = 115.62/x
  3. Step 3: Cross multiply
    184.29x = 276.15 × 115.62
  4. Step 4: Simplify right side
    184.29x = 31,928.46
  5. Step 5: Solve for x
    x = 31,928.46/184.29
  6. Step 6: Final answer
    x = 173.25

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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.