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Finding the Fourth Proportional to 148.99, 222 and 132.83

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Solution

The fourth proportional to 148.99, 222 and 132.83 is: 197.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    148.99 : 222 = 132.83 : x
  2. Step 2: Convert to fraction form
    148.99/222 = 132.83/x
  3. Step 3: Cross multiply
    148.99x = 222 × 132.83
  4. Step 4: Simplify right side
    148.99x = 29,488.26
  5. Step 5: Solve for x
    x = 29,488.26/148.99
  6. Step 6: Final answer
    x = 197.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.