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Finding the Fourth Proportional to 133.99, 184.82 and 118.46

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Solution

The fourth proportional to 133.99, 184.82 and 118.46 is: 163.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.99 : 184.82 = 118.46 : x
  2. Step 2: Convert to fraction form
    133.99/184.82 = 118.46/x
  3. Step 3: Cross multiply
    133.99x = 184.82 × 118.46
  4. Step 4: Simplify right side
    133.99x = 21,893.65
  5. Step 5: Solve for x
    x = 21,893.65/133.99
  6. Step 6: Final answer
    x = 163.40

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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.