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Finding the Fourth Proportional to 299,731.94, 449,623.83 and 122,251.22

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Solution

The fourth proportional to 299,731.94, 449,623.83 and 122,251.22 is: 183,387.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,731.94 : 449,623.83 = 122,251.22 : x
  2. Step 2: Convert to fraction form
    299,731.94/449,623.83 = 122,251.22/x
  3. Step 3: Cross multiply
    299,731.94x = 449,623.83 × 122,251.22
  4. Step 4: Simplify right side
    299,731.94x = 54,967,061,758.57
  5. Step 5: Solve for x
    x = 54,967,061,758.57/299,731.94
  6. Step 6: Final answer
    x = 183,387.40

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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.