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Finding the Fourth Proportional to 168,314.20, 252,131.10 and 104,939.80

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Solution

The fourth proportional to 168,314.20, 252,131.10 and 104,939.80 is: 157,197.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,314.20 : 252,131.10 = 104,939.80 : x
  2. Step 2: Convert to fraction form
    168,314.20/252,131.10 = 104,939.80/x
  3. Step 3: Cross multiply
    168,314.20x = 252,131.10 × 104,939.80
  4. Step 4: Simplify right side
    168,314.20x = 26,458,587,207.78
  5. Step 5: Solve for x
    x = 26,458,587,207.78/168,314.20
  6. Step 6: Final answer
    x = 157,197.59

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1.5x scale

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.