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Finding the Fourth Proportional to 267,371.94, 401,147.25 and 87,465.54

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Solution

The fourth proportional to 267,371.94, 401,147.25 and 87,465.54 is: 131,227.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,371.94 : 401,147.25 = 87,465.54 : x
  2. Step 2: Convert to fraction form
    267,371.94/401,147.25 = 87,465.54/x
  3. Step 3: Cross multiply
    267,371.94x = 401,147.25 × 87,465.54
  4. Step 4: Simplify right side
    267,371.94x = 35,086,560,840.77
  5. Step 5: Solve for x
    x = 35,086,560,840.77/267,371.94
  6. Step 6: Final answer
    x = 131,227.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.