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Finding the Fourth Proportional to 180,375.96, 270,628.34 and 80,527.26

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Solution

The fourth proportional to 180,375.96, 270,628.34 and 80,527.26 is: 120,819.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,375.96 : 270,628.34 = 80,527.26 : x
  2. Step 2: Convert to fraction form
    180,375.96/270,628.34 = 80,527.26/x
  3. Step 3: Cross multiply
    180,375.96x = 270,628.34 × 80,527.26
  4. Step 4: Simplify right side
    180,375.96x = 21,792,958,698.55
  5. Step 5: Solve for x
    x = 21,792,958,698.55/180,375.96
  6. Step 6: Final answer
    x = 120,819.64

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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.