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Finding the Fourth Proportional to 120,797.73, 166,705.90 and 67,083.19

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Solution

The fourth proportional to 120,797.73, 166,705.90 and 67,083.19 is: 92,577.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,797.73 : 166,705.90 = 67,083.19 : x
  2. Step 2: Convert to fraction form
    120,797.73/166,705.90 = 67,083.19/x
  3. Step 3: Cross multiply
    120,797.73x = 166,705.90 × 67,083.19
  4. Step 4: Simplify right side
    120,797.73x = 11,183,162,979.35
  5. Step 5: Solve for x
    x = 11,183,162,979.35/120,797.73
  6. Step 6: Final answer
    x = 92,577.59

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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.