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Finding the Fourth Proportional to 133.95, 184.77 and 109.26

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Solution

The fourth proportional to 133.95, 184.77 and 109.26 is: 150.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.95 : 184.77 = 109.26 : x
  2. Step 2: Convert to fraction form
    133.95/184.77 = 109.26/x
  3. Step 3: Cross multiply
    133.95x = 184.77 × 109.26
  4. Step 4: Simplify right side
    133.95x = 20,187.97
  5. Step 5: Solve for x
    x = 20,187.97/133.95
  6. Step 6: Final answer
    x = 150.71

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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.