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Finding the Fourth Proportional to 299,666.61, 449,517.24 and 112,679.73

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Solution

The fourth proportional to 299,666.61, 449,517.24 and 112,679.73 is: 169,026.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,666.61 : 449,517.24 = 112,679.73 : x
  2. Step 2: Convert to fraction form
    299,666.61/449,517.24 = 112,679.73/x
  3. Step 3: Cross multiply
    299,666.61x = 449,517.24 × 112,679.73
  4. Step 4: Simplify right side
    299,666.61x = 50,651,481,233.55
  5. Step 5: Solve for x
    x = 50,651,481,233.55/299,666.61
  6. Step 6: Final answer
    x = 169,026.11

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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.