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Finding the Fourth Proportional to 180,043.35, 270,105.21 and 67,724.49

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Solution

The fourth proportional to 180,043.35, 270,105.21 and 67,724.49 is: 101,601.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,043.35 : 270,105.21 = 67,724.49 : x
  2. Step 2: Convert to fraction form
    180,043.35/270,105.21 = 67,724.49/x
  3. Step 3: Cross multiply
    180,043.35x = 270,105.21 × 67,724.49
  4. Step 4: Simplify right side
    180,043.35x = 18,292,738,606.49
  5. Step 5: Solve for x
    x = 18,292,738,606.49/180,043.35
  6. Step 6: Final answer
    x = 101,601.86

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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.