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Finding the Fourth Proportional to 168,155.73, 252,234.51 and 49,828.10

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Solution

The fourth proportional to 168,155.73, 252,234.51 and 49,828.10 is: 74,742.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,155.73 : 252,234.51 = 49,828.10 : x
  2. Step 2: Convert to fraction form
    168,155.73/252,234.51 = 49,828.10/x
  3. Step 3: Cross multiply
    168,155.73x = 252,234.51 × 49,828.10
  4. Step 4: Simplify right side
    168,155.73x = 12,568,366,387.73
  5. Step 5: Solve for x
    x = 12,568,366,387.73/168,155.73
  6. Step 6: Final answer
    x = 74,742.42

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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.