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Finding the Fourth Proportional to 184.54, 254.74 and 106.96

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Solution

The fourth proportional to 184.54, 254.74 and 106.96 is: 147.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.54 : 254.74 = 106.96 : x
  2. Step 2: Convert to fraction form
    184.54/254.74 = 106.96/x
  3. Step 3: Cross multiply
    184.54x = 254.74 × 106.96
  4. Step 4: Simplify right side
    184.54x = 27,246.99
  5. Step 5: Solve for x
    x = 27,246.99/184.54
  6. Step 6: Final answer
    x = 147.65

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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.