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Finding the Fourth Proportional to 364.23, 546.42 and 107.73

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Solution

The fourth proportional to 364.23, 546.42 and 107.73 is: 161.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.23 : 546.42 = 107.73 : x
  2. Step 2: Convert to fraction form
    364.23/546.42 = 107.73/x
  3. Step 3: Cross multiply
    364.23x = 546.42 × 107.73
  4. Step 4: Simplify right side
    364.23x = 58,865.83
  5. Step 5: Solve for x
    x = 58,865.83/364.23
  6. Step 6: Final answer
    x = 161.62

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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.