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Finding the Fourth Proportional to 120,725.67, 166,593.60 and 67,010.70

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Solution

The fourth proportional to 120,725.67, 166,593.60 and 67,010.70 is: 92,470.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,725.67 : 166,593.60 = 67,010.70 : x
  2. Step 2: Convert to fraction form
    120,725.67/166,593.60 = 67,010.70/x
  3. Step 3: Cross multiply
    120,725.67x = 166,593.60 × 67,010.70
  4. Step 4: Simplify right side
    120,725.67x = 11,163,553,751.52
  5. Step 5: Solve for x
    x = 11,163,553,751.52/120,725.67
  6. Step 6: Final answer
    x = 92,470.42

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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.