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Finding the Fourth Proportional to 168,604.80, 252,921.60 and 50,268.48

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Solution

The fourth proportional to 168,604.80, 252,921.60 and 50,268.48 is: 75,407.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,604.80 : 252,921.60 = 50,268.48 : x
  2. Step 2: Convert to fraction form
    168,604.80/252,921.60 = 50,268.48/x
  3. Step 3: Cross multiply
    168,604.80x = 252,921.60 × 50,268.48
  4. Step 4: Simplify right side
    168,604.80x = 12,713,984,391.17
  5. Step 5: Solve for x
    x = 12,713,984,391.17/168,604.80
  6. Step 6: Final answer
    x = 75,407.01

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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.