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Finding the Fourth Proportional to 168,153.73, 252,231.51 and 49,826.10

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Solution

The fourth proportional to 168,153.73, 252,231.51 and 49,826.10 is: 74,739.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,153.73 : 252,231.51 = 49,826.10 : x
  2. Step 2: Convert to fraction form
    168,153.73/252,231.51 = 49,826.10/x
  3. Step 3: Cross multiply
    168,153.73x = 252,231.51 × 49,826.10
  4. Step 4: Simplify right side
    168,153.73x = 12,567,711,809.83
  5. Step 5: Solve for x
    x = 12,567,711,809.83/168,153.73
  6. Step 6: Final answer
    x = 74,739.42

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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.