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Finding the Fourth Proportional to 132.58, 182.88 and 113.04

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Solution

The fourth proportional to 132.58, 182.88 and 113.04 is: 155.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.58 : 182.88 = 113.04 : x
  2. Step 2: Convert to fraction form
    132.58/182.88 = 113.04/x
  3. Step 3: Cross multiply
    132.58x = 182.88 × 113.04
  4. Step 4: Simplify right side
    132.58x = 20,672.76
  5. Step 5: Solve for x
    x = 20,672.76/132.58
  6. Step 6: Final answer
    x = 155.93

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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.