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Finding the Fourth Proportional to 267,286.12, 368,854.82 and 159,856.14

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Solution

The fourth proportional to 267,286.12, 368,854.82 and 159,856.14 is: 220,601.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,286.12 : 368,854.82 = 159,856.14 : x
  2. Step 2: Convert to fraction form
    267,286.12/368,854.82 = 159,856.14/x
  3. Step 3: Cross multiply
    267,286.12x = 368,854.82 × 159,856.14
  4. Step 4: Simplify right side
    267,286.12x = 58,963,707,745.59
  5. Step 5: Solve for x
    x = 58,963,707,745.59/267,286.12
  6. Step 6: Final answer
    x = 220,601.46

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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.