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Finding the Fourth Proportional to 267,137.46, 400,771.62 and 122,975.82

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Solution

The fourth proportional to 267,137.46, 400,771.62 and 122,975.82 is: 184,493.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,137.46 : 400,771.62 = 122,975.82 : x
  2. Step 2: Convert to fraction form
    267,137.46/400,771.62 = 122,975.82/x
  3. Step 3: Cross multiply
    267,137.46x = 400,771.62 × 122,975.82
  4. Step 4: Simplify right side
    267,137.46x = 49,285,218,602.23
  5. Step 5: Solve for x
    x = 49,285,218,602.23/267,137.46
  6. Step 6: Final answer
    x = 184,493.85

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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.