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Finding the Fourth Proportional to 184.33, 276 and 155.35

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Solution

The fourth proportional to 184.33, 276 and 155.35 is: 232.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.33 : 276 = 155.35 : x
  2. Step 2: Convert to fraction form
    184.33/276 = 155.35/x
  3. Step 3: Cross multiply
    184.33x = 276 × 155.35
  4. Step 4: Simplify right side
    184.33x = 42,876.60
  5. Step 5: Solve for x
    x = 42,876.60/184.33
  6. Step 6: Final answer
    x = 232.61

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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.