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Finding the Fourth Proportional to 323,906.73, 485,860.10 and 166,034.49

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Solution

The fourth proportional to 323,906.73, 485,860.10 and 166,034.49 is: 249,051.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,906.73 : 485,860.10 = 166,034.49 : x
  2. Step 2: Convert to fraction form
    323,906.73/485,860.10 = 166,034.49/x
  3. Step 3: Cross multiply
    323,906.73x = 485,860.10 × 166,034.49
  4. Step 4: Simplify right side
    323,906.73x = 80,669,533,084.68
  5. Step 5: Solve for x
    x = 80,669,533,084.68/323,906.73
  6. Step 6: Final answer
    x = 249,051.74

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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.