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Finding the Fourth Proportional to 299,466.80, 449,090.85 and 99,793.70

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Solution

The fourth proportional to 299,466.80, 449,090.85 and 99,793.70 is: 149,654.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,466.80 : 449,090.85 = 99,793.70 : x
  2. Step 2: Convert to fraction form
    299,466.80/449,090.85 = 99,793.70/x
  3. Step 3: Cross multiply
    299,466.80x = 449,090.85 × 99,793.70
  4. Step 4: Simplify right side
    299,466.80x = 44,816,437,557.65
  5. Step 5: Solve for x
    x = 44,816,437,557.65/299,466.80
  6. Step 6: Final answer
    x = 149,654.11

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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.