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Finding the Fourth Proportional to 323,760.52, 485,363.83 and 124,224.11

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Solution

The fourth proportional to 323,760.52, 485,363.83 and 124,224.11 is: 186,229.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,760.52 : 485,363.83 = 124,224.11 : x
  2. Step 2: Convert to fraction form
    323,760.52/485,363.83 = 124,224.11/x
  3. Step 3: Cross multiply
    323,760.52x = 485,363.83 × 124,224.11
  4. Step 4: Simplify right side
    323,760.52x = 60,293,889,807.94
  5. Step 5: Solve for x
    x = 60,293,889,807.94/323,760.52
  6. Step 6: Final answer
    x = 186,229.90

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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.