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Finding the Fourth Proportional to 323,761.73, 485,365.68 and 124,225.31

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Solution

The fourth proportional to 323,761.73, 485,365.68 and 124,225.31 is: 186,231.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,761.73 : 485,365.68 = 124,225.31 : x
  2. Step 2: Convert to fraction form
    323,761.73/485,365.68 = 124,225.31/x
  3. Step 3: Cross multiply
    323,761.73x = 485,365.68 × 124,225.31
  4. Step 4: Simplify right side
    323,761.73x = 60,294,703,274.78
  5. Step 5: Solve for x
    x = 60,294,703,274.78/323,761.73
  6. Step 6: Final answer
    x = 186,231.72

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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.