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Finding the Fourth Proportional to 299,674.89, 449,577.99 and 112,686.39

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Solution

The fourth proportional to 299,674.89, 449,577.99 and 112,686.39 is: 169,054.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,674.89 : 449,577.99 = 112,686.39 : x
  2. Step 2: Convert to fraction form
    299,674.89/449,577.99 = 112,686.39/x
  3. Step 3: Cross multiply
    299,674.89x = 449,577.99 × 112,686.39
  4. Step 4: Simplify right side
    299,674.89x = 50,661,320,716.56
  5. Step 5: Solve for x
    x = 50,661,320,716.56/299,674.89
  6. Step 6: Final answer
    x = 169,054.27

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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.