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Finding the Fourth Proportional to 194,040, 267,790.59 and 109,163.34

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Solution

The fourth proportional to 194,040, 267,790.59 and 109,163.34 is: 150,654.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,040 : 267,790.59 = 109,163.34 : x
  2. Step 2: Convert to fraction form
    194,040/267,790.59 = 109,163.34/x
  3. Step 3: Cross multiply
    194,040x = 267,790.59 × 109,163.34
  4. Step 4: Simplify right side
    194,040x = 29,232,915,224.97
  5. Step 5: Solve for x
    x = 29,232,915,224.97/194,040
  6. Step 6: Final answer
    x = 150,654.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.