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Finding the Fourth Proportional to 184.33, 254.34 and 109.68

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Solution

The fourth proportional to 184.33, 254.34 and 109.68 is: 151.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.33 : 254.34 = 109.68 : x
  2. Step 2: Convert to fraction form
    184.33/254.34 = 109.68/x
  3. Step 3: Cross multiply
    184.33x = 254.34 × 109.68
  4. Step 4: Simplify right side
    184.33x = 27,896.01
  5. Step 5: Solve for x
    x = 27,896.01/184.33
  6. Step 6: Final answer
    x = 151.34

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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.