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Finding the Fourth Proportional to 181,290.88, 271,908.24 and 92,609.92

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Solution

The fourth proportional to 181,290.88, 271,908.24 and 92,609.92 is: 138,900.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,290.88 : 271,908.24 = 92,609.92 : x
  2. Step 2: Convert to fraction form
    181,290.88/271,908.24 = 92,609.92/x
  3. Step 3: Cross multiply
    181,290.88x = 271,908.24 × 92,609.92
  4. Step 4: Simplify right side
    181,290.88x = 25,181,400,353.74
  5. Step 5: Solve for x
    x = 25,181,400,353.74/181,290.88
  6. Step 6: Final answer
    x = 138,900.54

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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.