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Finding the Fourth Proportional to 168,612.11, 252,929.09 and 50,295.41

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Solution

The fourth proportional to 168,612.11, 252,929.09 and 50,295.41 is: 75,446.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,612.11 : 252,929.09 = 50,295.41 : x
  2. Step 2: Convert to fraction form
    168,612.11/252,929.09 = 50,295.41/x
  3. Step 3: Cross multiply
    168,612.11x = 252,929.09 × 50,295.41
  4. Step 4: Simplify right side
    168,612.11x = 12,721,171,143.57
  5. Step 5: Solve for x
    x = 12,721,171,143.57/168,612.11
  6. Step 6: Final answer
    x = 75,446.37

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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.