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Finding the Fourth Proportional to 132.97, 183.59 and 83.26

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Solution

The fourth proportional to 132.97, 183.59 and 83.26 is: 114.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.97 : 183.59 = 83.26 : x
  2. Step 2: Convert to fraction form
    132.97/183.59 = 83.26/x
  3. Step 3: Cross multiply
    132.97x = 183.59 × 83.26
  4. Step 4: Simplify right side
    132.97x = 15,284.95
  5. Step 5: Solve for x
    x = 15,284.95/132.97
  6. Step 6: Final answer
    x = 114.95

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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.