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Finding the Fourth Proportional to 95.70, 132.06 and 58.88

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Solution

The fourth proportional to 95.70, 132.06 and 58.88 is: 81.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.70 : 132.06 = 58.88 : x
  2. Step 2: Convert to fraction form
    95.70/132.06 = 58.88/x
  3. Step 3: Cross multiply
    95.70x = 132.06 × 58.88
  4. Step 4: Simplify right side
    95.70x = 7,775.03
  5. Step 5: Solve for x
    x = 7,775.03/95.70
  6. Step 6: Final answer
    x = 81.24

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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.