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Finding the Fourth Proportional to 184.87, 255.07 and 106.18

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Solution

The fourth proportional to 184.87, 255.07 and 106.18 is: 146.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.87 : 255.07 = 106.18 : x
  2. Step 2: Convert to fraction form
    184.87/255.07 = 106.18/x
  3. Step 3: Cross multiply
    184.87x = 255.07 × 106.18
  4. Step 4: Simplify right side
    184.87x = 27,083.33
  5. Step 5: Solve for x
    x = 27,083.33/184.87
  6. Step 6: Final answer
    x = 146.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.