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Finding the Fourth Proportional to 120,967.58, 166,944.57 and 67,257.02

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Solution

The fourth proportional to 120,967.58, 166,944.57 and 67,257.02 is: 92,819.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,967.58 : 166,944.57 = 67,257.02 : x
  2. Step 2: Convert to fraction form
    120,967.58/166,944.57 = 67,257.02/x
  3. Step 3: Cross multiply
    120,967.58x = 166,944.57 × 67,257.02
  4. Step 4: Simplify right side
    120,967.58x = 11,228,194,283.38
  5. Step 5: Solve for x
    x = 11,228,194,283.38/120,967.58
  6. Step 6: Final answer
    x = 92,819.86

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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.