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Finding the Fourth Proportional to 168,077.53, 231,947.03 and 91,596.64

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Solution

The fourth proportional to 168,077.53, 231,947.03 and 91,596.64 is: 126,403.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,077.53 : 231,947.03 = 91,596.64 : x
  2. Step 2: Convert to fraction form
    168,077.53/231,947.03 = 91,596.64/x
  3. Step 3: Cross multiply
    168,077.53x = 231,947.03 × 91,596.64
  4. Step 4: Simplify right side
    168,077.53x = 21,245,568,605.98
  5. Step 5: Solve for x
    x = 21,245,568,605.98/168,077.53
  6. Step 6: Final answer
    x = 126,403.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.