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Finding the Fourth Proportional to 168,661.25, 252,991.65 and 44,002.25

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Solution

The fourth proportional to 168,661.25, 252,991.65 and 44,002.25 is: 66,003.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,661.25 : 252,991.65 = 44,002.25 : x
  2. Step 2: Convert to fraction form
    168,661.25/252,991.65 = 44,002.25/x
  3. Step 3: Cross multiply
    168,661.25x = 252,991.65 × 44,002.25
  4. Step 4: Simplify right side
    168,661.25x = 11,132,200,566.25
  5. Step 5: Solve for x
    x = 11,132,200,566.25/168,661.25
  6. Step 6: Final answer
    x = 66,003.31

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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.