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Finding the Fourth Proportional to 299,583.60, 449,310.60 and 131,103.60

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Solution

The fourth proportional to 299,583.60, 449,310.60 and 131,103.60 is: 196,627.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,583.60 : 449,310.60 = 131,103.60 : x
  2. Step 2: Convert to fraction form
    299,583.60/449,310.60 = 131,103.60/x
  3. Step 3: Cross multiply
    299,583.60x = 449,310.60 × 131,103.60
  4. Step 4: Simplify right side
    299,583.60x = 58,906,237,178.16
  5. Step 5: Solve for x
    x = 58,906,237,178.16/299,583.60
  6. Step 6: Final answer
    x = 196,627.04

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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.