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Finding the Fourth Proportional to 232.99, 348.93 and 146.12

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Solution

The fourth proportional to 232.99, 348.93 and 146.12 is: 218.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.99 : 348.93 = 146.12 : x
  2. Step 2: Convert to fraction form
    232.99/348.93 = 146.12/x
  3. Step 3: Cross multiply
    232.99x = 348.93 × 146.12
  4. Step 4: Simplify right side
    232.99x = 50,983.91
  5. Step 5: Solve for x
    x = 50,983.91/232.99
  6. Step 6: Final answer
    x = 218.83

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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.