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Finding the Fourth Proportional to 179,793.44, 269,810.45 and 74,612.40

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Solution

The fourth proportional to 179,793.44, 269,810.45 and 74,612.40 is: 111,968.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,793.44 : 269,810.45 = 74,612.40 : x
  2. Step 2: Convert to fraction form
    179,793.44/269,810.45 = 74,612.40/x
  3. Step 3: Cross multiply
    179,793.44x = 269,810.45 × 74,612.40
  4. Step 4: Simplify right side
    179,793.44x = 20,131,204,846.52
  5. Step 5: Solve for x
    x = 20,131,204,846.52/179,793.44
  6. Step 6: Final answer
    x = 111,968.52

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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.