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Finding the Fourth Proportional to 267,508.28, 401,145.76 and 101,179.64

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Solution

The fourth proportional to 267,508.28, 401,145.76 and 101,179.64 is: 151,725.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,508.28 : 401,145.76 = 101,179.64 : x
  2. Step 2: Convert to fraction form
    267,508.28/401,145.76 = 101,179.64/x
  3. Step 3: Cross multiply
    267,508.28x = 401,145.76 × 101,179.64
  4. Step 4: Simplify right side
    267,508.28x = 40,587,783,584.33
  5. Step 5: Solve for x
    x = 40,587,783,584.33/267,508.28
  6. Step 6: Final answer
    x = 151,725.34

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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.