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Finding the Fourth Proportional to 132.88, 199.35 and 46.24

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Solution

The fourth proportional to 132.88, 199.35 and 46.24 is: 69.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.88 : 199.35 = 46.24 : x
  2. Step 2: Convert to fraction form
    132.88/199.35 = 46.24/x
  3. Step 3: Cross multiply
    132.88x = 199.35 × 46.24
  4. Step 4: Simplify right side
    132.88x = 9,217.94
  5. Step 5: Solve for x
    x = 9,217.94/132.88
  6. Step 6: Final answer
    x = 69.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.