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Finding the Fourth Proportional to 168,422.40, 252,633.60 and 101,062.80

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Solution

The fourth proportional to 168,422.40, 252,633.60 and 101,062.80 is: 151,594.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,422.40 : 252,633.60 = 101,062.80 : x
  2. Step 2: Convert to fraction form
    168,422.40/252,633.60 = 101,062.80/x
  3. Step 3: Cross multiply
    168,422.40x = 252,633.60 × 101,062.80
  4. Step 4: Simplify right side
    168,422.40x = 25,531,858,990.08
  5. Step 5: Solve for x
    x = 25,531,858,990.08/168,422.40
  6. Step 6: Final answer
    x = 151,594.20

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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.