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Finding the Fourth Proportional to 364.02, 546.11 and 107.54

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Solution

The fourth proportional to 364.02, 546.11 and 107.54 is: 161.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    364.02 : 546.11 = 107.54 : x
  2. Step 2: Convert to fraction form
    364.02/546.11 = 107.54/x
  3. Step 3: Cross multiply
    364.02x = 546.11 × 107.54
  4. Step 4: Simplify right side
    364.02x = 58,728.67
  5. Step 5: Solve for x
    x = 58,728.67/364.02
  6. Step 6: Final answer
    x = 161.33

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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.