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Finding the Fourth Proportional to 341.67, 512.49 and 110.56

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Solution

The fourth proportional to 341.67, 512.49 and 110.56 is: 165.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    341.67 : 512.49 = 110.56 : x
  2. Step 2: Convert to fraction form
    341.67/512.49 = 110.56/x
  3. Step 3: Cross multiply
    341.67x = 512.49 × 110.56
  4. Step 4: Simplify right side
    341.67x = 56,658.33
  5. Step 5: Solve for x
    x = 56,658.33/341.67
  6. Step 6: Final answer
    x = 165.83

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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.