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Finding the Fourth Proportional to 184.22, 254.19 and 105.52

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Solution

The fourth proportional to 184.22, 254.19 and 105.52 is: 145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.22 : 254.19 = 105.52 : x
  2. Step 2: Convert to fraction form
    184.22/254.19 = 105.52/x
  3. Step 3: Cross multiply
    184.22x = 254.19 × 105.52
  4. Step 4: Simplify right side
    184.22x = 26,821.60
  5. Step 5: Solve for x
    x = 26,821.60/184.22
  6. Step 6: Final answer
    x = 145.60

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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.