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Finding the Fourth Proportional to 231,793.80, 347,949.90 and 179,435.40

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Solution

The fourth proportional to 231,793.80, 347,949.90 and 179,435.40 is: 269,353.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,793.80 : 347,949.90 = 179,435.40 : x
  2. Step 2: Convert to fraction form
    231,793.80/347,949.90 = 179,435.40/x
  3. Step 3: Cross multiply
    231,793.80x = 347,949.90 × 179,435.40
  4. Step 4: Simplify right side
    231,793.80x = 62,434,529,486.46
  5. Step 5: Solve for x
    x = 62,434,529,486.46/231,793.80
  6. Step 6: Final answer
    x = 269,353.75

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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.