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Finding the Fourth Proportional to 267,286.87, 368,855.85 and 159,856.89

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Solution

The fourth proportional to 267,286.87, 368,855.85 and 159,856.89 is: 220,602.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,286.87 : 368,855.85 = 159,856.89 : x
  2. Step 2: Convert to fraction form
    267,286.87/368,855.85 = 159,856.89/x
  3. Step 3: Cross multiply
    267,286.87x = 368,855.85 × 159,856.89
  4. Step 4: Simplify right side
    267,286.87x = 58,964,147,195.03
  5. Step 5: Solve for x
    x = 58,964,147,195.03/267,286.87
  6. Step 6: Final answer
    x = 220,602.48

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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.