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Finding the Fourth Proportional to 230.94, 346.01 and 122.67

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Solution

The fourth proportional to 230.94, 346.01 and 122.67 is: 183.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.94 : 346.01 = 122.67 : x
  2. Step 2: Convert to fraction form
    230.94/346.01 = 122.67/x
  3. Step 3: Cross multiply
    230.94x = 346.01 × 122.67
  4. Step 4: Simplify right side
    230.94x = 42,444.43
  5. Step 5: Solve for x
    x = 42,444.43/230.94
  6. Step 6: Final answer
    x = 183.79

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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.