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Finding the Fourth Proportional to 354.67, 532.02 and 111.36

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Solution

The fourth proportional to 354.67, 532.02 and 111.36 is: 167.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    354.67 : 532.02 = 111.36 : x
  2. Step 2: Convert to fraction form
    354.67/532.02 = 111.36/x
  3. Step 3: Cross multiply
    354.67x = 532.02 × 111.36
  4. Step 4: Simplify right side
    354.67x = 59,245.75
  5. Step 5: Solve for x
    x = 59,245.75/354.67
  6. Step 6: Final answer
    x = 167.04

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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.