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Finding the Fourth Proportional to 267,622.56, 401,434.02 and 67,957.92

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Solution

The fourth proportional to 267,622.56, 401,434.02 and 67,957.92 is: 101,936.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,622.56 : 401,434.02 = 67,957.92 : x
  2. Step 2: Convert to fraction form
    267,622.56/401,434.02 = 67,957.92/x
  3. Step 3: Cross multiply
    267,622.56x = 401,434.02 × 67,957.92
  4. Step 4: Simplify right side
    267,622.56x = 27,280,621,016.44
  5. Step 5: Solve for x
    x = 27,280,621,016.44/267,622.56
  6. Step 6: Final answer
    x = 101,936.93

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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.