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Finding the Fourth Proportional to 184.88, 255.15 and 170.00

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Solution

The fourth proportional to 184.88, 255.15 and 170.00 is: 234.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.88 : 255.15 = 170.00 : x
  2. Step 2: Convert to fraction form
    184.88/255.15 = 170.00/x
  3. Step 3: Cross multiply
    184.88x = 255.15 × 170.00
  4. Step 4: Simplify right side
    184.88x = 43,375.18
  5. Step 5: Solve for x
    x = 43,375.18/184.88
  6. Step 6: Final answer
    x = 234.61

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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.