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Finding the Fourth Proportional to 267,892.99, 401,759.29 and 107,917.59

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Solution

The fourth proportional to 267,892.99, 401,759.29 and 107,917.59 is: 161,844.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,892.99 : 401,759.29 = 107,917.59 : x
  2. Step 2: Convert to fraction form
    267,892.99/401,759.29 = 107,917.59/x
  3. Step 3: Cross multiply
    267,892.99x = 401,759.29 × 107,917.59
  4. Step 4: Simplify right side
    267,892.99x = 43,356,894,336.91
  5. Step 5: Solve for x
    x = 43,356,894,336.91/267,892.99
  6. Step 6: Final answer
    x = 161,844.08

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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.