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Finding the Fourth Proportional to 133.93, 184.90 and 117.73

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Solution

The fourth proportional to 133.93, 184.90 and 117.73 is: 162.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.93 : 184.90 = 117.73 : x
  2. Step 2: Convert to fraction form
    133.93/184.90 = 117.73/x
  3. Step 3: Cross multiply
    133.93x = 184.90 × 117.73
  4. Step 4: Simplify right side
    133.93x = 21,768.28
  5. Step 5: Solve for x
    x = 21,768.28/133.93
  6. Step 6: Final answer
    x = 162.53

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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.