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Finding the Fourth Proportional to 300,967.54, 451,132.98 and 111,306.04

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Solution

The fourth proportional to 300,967.54, 451,132.98 and 111,306.04 is: 166,841.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,967.54 : 451,132.98 = 111,306.04 : x
  2. Step 2: Convert to fraction form
    300,967.54/451,132.98 = 111,306.04/x
  3. Step 3: Cross multiply
    300,967.54x = 451,132.98 × 111,306.04
  4. Step 4: Simplify right side
    300,967.54x = 50,213,825,517.20
  5. Step 5: Solve for x
    x = 50,213,825,517.20/300,967.54
  6. Step 6: Final answer
    x = 166,841.33

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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.