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Finding the Fourth Proportional to 120,796.74, 166,706.98 and 67,082.13

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Solution

The fourth proportional to 120,796.74, 166,706.98 and 67,082.13 is: 92,577.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,796.74 : 166,706.98 = 67,082.13 : x
  2. Step 2: Convert to fraction form
    120,796.74/166,706.98 = 67,082.13/x
  3. Step 3: Cross multiply
    120,796.74x = 166,706.98 × 67,082.13
  4. Step 4: Simplify right side
    120,796.74x = 11,183,059,136.56
  5. Step 5: Solve for x
    x = 11,183,059,136.56/120,796.74
  6. Step 6: Final answer
    x = 92,577.49

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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.