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Finding the Fourth Proportional to 323,762.73, 485,367.18 and 124,226.31

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Solution

The fourth proportional to 323,762.73, 485,367.18 and 124,226.31 is: 186,233.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,762.73 : 485,367.18 = 124,226.31 : x
  2. Step 2: Convert to fraction form
    323,762.73/485,367.18 = 124,226.31/x
  3. Step 3: Cross multiply
    323,762.73x = 485,367.18 × 124,226.31
  4. Step 4: Simplify right side
    323,762.73x = 60,295,373,766.51
  5. Step 5: Solve for x
    x = 60,295,373,766.51/323,762.73
  6. Step 6: Final answer
    x = 186,233.21

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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.