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Finding the Fourth Proportional to 323,760.23, 485,363.43 and 124,223.82

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Solution

The fourth proportional to 323,760.23, 485,363.43 and 124,223.82 is: 186,229.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,760.23 : 485,363.43 = 124,223.82 : x
  2. Step 2: Convert to fraction form
    323,760.23/485,363.43 = 124,223.82/x
  3. Step 3: Cross multiply
    323,760.23x = 485,363.43 × 124,223.82
  4. Step 4: Simplify right side
    323,760.23x = 60,293,699,362.90
  5. Step 5: Solve for x
    x = 60,293,699,362.90/323,760.23
  6. Step 6: Final answer
    x = 186,229.48

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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.