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Finding the Fourth Proportional to 168,512.37, 252,768.54 and 43,853.37

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Solution

The fourth proportional to 168,512.37, 252,768.54 and 43,853.37 is: 65,780.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,512.37 : 252,768.54 = 43,853.37 : x
  2. Step 2: Convert to fraction form
    168,512.37/252,768.54 = 43,853.37/x
  3. Step 3: Cross multiply
    168,512.37x = 252,768.54 × 43,853.37
  4. Step 4: Simplify right side
    168,512.37x = 11,084,752,308.98
  5. Step 5: Solve for x
    x = 11,084,752,308.98/168,512.37
  6. Step 6: Final answer
    x = 65,780.05

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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.