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Finding the Fourth Proportional to 97.36, 146.10 and 49.25

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Solution

The fourth proportional to 97.36, 146.10 and 49.25 is: 73.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97.36 : 146.10 = 49.25 : x
  2. Step 2: Convert to fraction form
    97.36/146.10 = 49.25/x
  3. Step 3: Cross multiply
    97.36x = 146.10 × 49.25
  4. Step 4: Simplify right side
    97.36x = 7,195.43
  5. Step 5: Solve for x
    x = 7,195.43/97.36
  6. Step 6: Final answer
    x = 73.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.