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Finding the Fourth Proportional to 97.16, 133.21 and 95.24

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Solution

The fourth proportional to 97.16, 133.21 and 95.24 is: 130.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.16 : 133.21 = 95.24 : x
  2. Step 2: Convert to fraction form
    97.16/133.21 = 95.24/x
  3. Step 3: Cross multiply
    97.16x = 133.21 × 95.24
  4. Step 4: Simplify right side
    97.16x = 12,686.92
  5. Step 5: Solve for x
    x = 12,686.92/97.16
  6. Step 6: Final answer
    x = 130.58

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.