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Finding the Fourth Proportional to 168,258.88, 252,387.04 and 49,930.56

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Solution

The fourth proportional to 168,258.88, 252,387.04 and 49,930.56 is: 74,895.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,258.88 : 252,387.04 = 49,930.56 : x
  2. Step 2: Convert to fraction form
    168,258.88/252,387.04 = 49,930.56/x
  3. Step 3: Cross multiply
    168,258.88x = 252,387.04 × 49,930.56
  4. Step 4: Simplify right side
    168,258.88x = 12,601,826,243.94
  5. Step 5: Solve for x
    x = 12,601,826,243.94/168,258.88
  6. Step 6: Final answer
    x = 74,895.46

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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.