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Finding the Fourth Proportional to 168,357.60, 252,886.32 and 133,540.56

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Solution

The fourth proportional to 168,357.60, 252,886.32 and 133,540.56 is: 200,588.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,357.60 : 252,886.32 = 133,540.56 : x
  2. Step 2: Convert to fraction form
    168,357.60/252,886.32 = 133,540.56/x
  3. Step 3: Cross multiply
    168,357.60x = 252,886.32 × 133,540.56
  4. Step 4: Simplify right side
    168,357.60x = 33,770,580,789.14
  5. Step 5: Solve for x
    x = 33,770,580,789.14/168,357.60
  6. Step 6: Final answer
    x = 200,588.40

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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.