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Finding the Fourth Proportional to 254.63, 351.59 and 184.85

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Solution

The fourth proportional to 254.63, 351.59 and 184.85 is: 255.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    254.63 : 351.59 = 184.85 : x
  2. Step 2: Convert to fraction form
    254.63/351.59 = 184.85/x
  3. Step 3: Cross multiply
    254.63x = 351.59 × 184.85
  4. Step 4: Simplify right side
    254.63x = 64,988.73
  5. Step 5: Solve for x
    x = 64,988.73/254.63
  6. Step 6: Final answer
    x = 255.23

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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.