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Finding the Fourth Proportional to 133.43, 184.17 and 114.93

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Solution

The fourth proportional to 133.43, 184.17 and 114.93 is: 158.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.43 : 184.17 = 114.93 : x
  2. Step 2: Convert to fraction form
    133.43/184.17 = 114.93/x
  3. Step 3: Cross multiply
    133.43x = 184.17 × 114.93
  4. Step 4: Simplify right side
    133.43x = 21,166.66
  5. Step 5: Solve for x
    x = 21,166.66/133.43
  6. Step 6: Final answer
    x = 158.64

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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.