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Finding the Fourth Proportional to 232.57, 348.69 and 122.84

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Solution

The fourth proportional to 232.57, 348.69 and 122.84 is: 184.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    232.57 : 348.69 = 122.84 : x
  2. Step 2: Convert to fraction form
    232.57/348.69 = 122.84/x
  3. Step 3: Cross multiply
    232.57x = 348.69 × 122.84
  4. Step 4: Simplify right side
    232.57x = 42,833.08
  5. Step 5: Solve for x
    x = 42,833.08/232.57
  6. Step 6: Final answer
    x = 184.17

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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.