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Finding the Fourth Proportional to 168,437.70, 252,660.60 and 50,112.90

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Solution

The fourth proportional to 168,437.70, 252,660.60 and 50,112.90 is: 75,170.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,437.70 : 252,660.60 = 50,112.90 : x
  2. Step 2: Convert to fraction form
    168,437.70/252,660.60 = 50,112.90/x
  3. Step 3: Cross multiply
    168,437.70x = 252,660.60 × 50,112.90
  4. Step 4: Simplify right side
    168,437.70x = 12,661,555,381.74
  5. Step 5: Solve for x
    x = 12,661,555,381.74/168,437.70
  6. Step 6: Final answer
    x = 75,170.55

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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.