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Finding the Fourth Proportional to 132.06, 182.26 and 73.86

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Solution

The fourth proportional to 132.06, 182.26 and 73.86 is: 101.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.06 : 182.26 = 73.86 : x
  2. Step 2: Convert to fraction form
    132.06/182.26 = 73.86/x
  3. Step 3: Cross multiply
    132.06x = 182.26 × 73.86
  4. Step 4: Simplify right side
    132.06x = 13,461.72
  5. Step 5: Solve for x
    x = 13,461.72/132.06
  6. Step 6: Final answer
    x = 101.94

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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.