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Finding the Fourth Proportional to 197.92, 296.89 and 59.11

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Solution

The fourth proportional to 197.92, 296.89 and 59.11 is: 88.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.92 : 296.89 = 59.11 : x
  2. Step 2: Convert to fraction form
    197.92/296.89 = 59.11/x
  3. Step 3: Cross multiply
    197.92x = 296.89 × 59.11
  4. Step 4: Simplify right side
    197.92x = 17,549.17
  5. Step 5: Solve for x
    x = 17,549.17/197.92
  6. Step 6: Final answer
    x = 88.67

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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.