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Finding the Fourth Proportional to 299,522.04, 449,158.20 and 121,908.48

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Solution

The fourth proportional to 299,522.04, 449,158.20 and 121,908.48 is: 182,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,522.04 : 449,158.20 = 121,908.48 : x
  2. Step 2: Convert to fraction form
    299,522.04/449,158.20 = 121,908.48/x
  3. Step 3: Cross multiply
    299,522.04x = 449,158.20 × 121,908.48
  4. Step 4: Simplify right side
    299,522.04x = 54,756,193,441.54
  5. Step 5: Solve for x
    x = 54,756,193,441.54/299,522.04
  6. Step 6: Final answer
    x = 182,811.90

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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.