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Finding the Fourth Proportional to 132.17, 182.41 and 73.96

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Solution

The fourth proportional to 132.17, 182.41 and 73.96 is: 102.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.17 : 182.41 = 73.96 : x
  2. Step 2: Convert to fraction form
    132.17/182.41 = 73.96/x
  3. Step 3: Cross multiply
    132.17x = 182.41 × 73.96
  4. Step 4: Simplify right side
    132.17x = 13,490.40
  5. Step 5: Solve for x
    x = 13,490.40/132.17
  6. Step 6: Final answer
    x = 102.07

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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.