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Finding the Fourth Proportional to 132.02, 182.18 and 73.01

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Solution

The fourth proportional to 132.02, 182.18 and 73.01 is: 100.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.02 : 182.18 = 73.01 : x
  2. Step 2: Convert to fraction form
    132.02/182.18 = 73.01/x
  3. Step 3: Cross multiply
    132.02x = 182.18 × 73.01
  4. Step 4: Simplify right side
    132.02x = 13,299.69
  5. Step 5: Solve for x
    x = 13,299.69/132.02
  6. Step 6: Final answer
    x = 100.74

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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.