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Finding the Fourth Proportional to 132.92, 199.34 and 46.25

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Solution

The fourth proportional to 132.92, 199.34 and 46.25 is: 69.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.92 : 199.34 = 46.25 : x
  2. Step 2: Convert to fraction form
    132.92/199.34 = 46.25/x
  3. Step 3: Cross multiply
    132.92x = 199.34 × 46.25
  4. Step 4: Simplify right side
    132.92x = 9,218.25
  5. Step 5: Solve for x
    x = 9,218.25/132.92
  6. Step 6: Final answer
    x = 69.35

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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.