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Finding the Fourth Proportional to 197.44, 296.06 and 60.45

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Solution

The fourth proportional to 197.44, 296.06 and 60.45 is: 90.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.44 : 296.06 = 60.45 : x
  2. Step 2: Convert to fraction form
    197.44/296.06 = 60.45/x
  3. Step 3: Cross multiply
    197.44x = 296.06 × 60.45
  4. Step 4: Simplify right side
    197.44x = 17,896.83
  5. Step 5: Solve for x
    x = 17,896.83/197.44
  6. Step 6: Final answer
    x = 90.64

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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.