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Finding the Fourth Proportional to 180,393.41, 270,596.99 and 80,554.43

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Solution

The fourth proportional to 180,393.41, 270,596.99 and 80,554.43 is: 120,834.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,393.41 : 270,596.99 = 80,554.43 : x
  2. Step 2: Convert to fraction form
    180,393.41/270,596.99 = 80,554.43/x
  3. Step 3: Cross multiply
    180,393.41x = 270,596.99 × 80,554.43
  4. Step 4: Simplify right side
    180,393.41x = 21,797,785,137.57
  5. Step 5: Solve for x
    x = 21,797,785,137.57/180,393.41
  6. Step 6: Final answer
    x = 120,834.71

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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.