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Finding the Fourth Proportional to 267,351.36, 401,027.35 and 80,362.86

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Solution

The fourth proportional to 267,351.36, 401,027.35 and 80,362.86 is: 120,544.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,351.36 : 401,027.35 = 80,362.86 : x
  2. Step 2: Convert to fraction form
    267,351.36/401,027.35 = 80,362.86/x
  3. Step 3: Cross multiply
    267,351.36x = 401,027.35 × 80,362.86
  4. Step 4: Simplify right side
    267,351.36x = 32,227,704,784.22
  5. Step 5: Solve for x
    x = 32,227,704,784.22/267,351.36
  6. Step 6: Final answer
    x = 120,544.38

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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.