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Finding the Fourth Proportional to 132, 182.23 and 82.92

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Solution

The fourth proportional to 132, 182.23 and 82.92 is: 114.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132 : 182.23 = 82.92 : x
  2. Step 2: Convert to fraction form
    132/182.23 = 82.92/x
  3. Step 3: Cross multiply
    132x = 182.23 × 82.92
  4. Step 4: Simplify right side
    132x = 15,110.51
  5. Step 5: Solve for x
    x = 15,110.51/132
  6. Step 6: Final answer
    x = 114.47

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1.5x scale

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.