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Finding the Fourth Proportional to 132.41, 182.73 and 82.61

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Solution

The fourth proportional to 132.41, 182.73 and 82.61 is: 114.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.41 : 182.73 = 82.61 : x
  2. Step 2: Convert to fraction form
    132.41/182.73 = 82.61/x
  3. Step 3: Cross multiply
    132.41x = 182.73 × 82.61
  4. Step 4: Simplify right side
    132.41x = 15,094.41
  5. Step 5: Solve for x
    x = 15,094.41/132.41
  6. Step 6: Final answer
    x = 114.00

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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.