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Finding the Fourth Proportional to 132.36, 182.70 and 93.48

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Solution

The fourth proportional to 132.36, 182.70 and 93.48 is: 129.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.36 : 182.70 = 93.48 : x
  2. Step 2: Convert to fraction form
    132.36/182.70 = 93.48/x
  3. Step 3: Cross multiply
    132.36x = 182.70 × 93.48
  4. Step 4: Simplify right side
    132.36x = 17,078.80
  5. Step 5: Solve for x
    x = 17,078.80/132.36
  6. Step 6: Final answer
    x = 129.03

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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.