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Finding the Fourth Proportional to 120,844.67, 166,761.01 and 67,133.07

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Solution

The fourth proportional to 120,844.67, 166,761.01 and 67,133.07 is: 92,641.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,844.67 : 166,761.01 = 67,133.07 : x
  2. Step 2: Convert to fraction form
    120,844.67/166,761.01 = 67,133.07/x
  3. Step 3: Cross multiply
    120,844.67x = 166,761.01 × 67,133.07
  4. Step 4: Simplify right side
    120,844.67x = 11,195,177,723.80
  5. Step 5: Solve for x
    x = 11,195,177,723.80/120,844.67
  6. Step 6: Final answer
    x = 92,641.06

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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.