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Finding the Fourth Proportional to 300,753.89, 451,099.04 and 158,542.19

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Solution

The fourth proportional to 300,753.89, 451,099.04 and 158,542.19 is: 237,796.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,753.89 : 451,099.04 = 158,542.19 : x
  2. Step 2: Convert to fraction form
    300,753.89/451,099.04 = 158,542.19/x
  3. Step 3: Cross multiply
    300,753.89x = 451,099.04 × 158,542.19
  4. Step 4: Simplify right side
    300,753.89x = 71,518,226,660.29
  5. Step 5: Solve for x
    x = 71,518,226,660.29/300,753.89
  6. Step 6: Final answer
    x = 237,796.52

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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.