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Finding the Fourth Proportional to 244,112.70, 366,135.30 and 75,748.80

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Solution

The fourth proportional to 244,112.70, 366,135.30 and 75,748.80 is: 113,612.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,112.70 : 366,135.30 = 75,748.80 : x
  2. Step 2: Convert to fraction form
    244,112.70/366,135.30 = 75,748.80/x
  3. Step 3: Cross multiply
    244,112.70x = 366,135.30 × 75,748.80
  4. Step 4: Simplify right side
    244,112.70x = 27,734,309,612.64
  5. Step 5: Solve for x
    x = 27,734,309,612.64/244,112.70
  6. Step 6: Final answer
    x = 113,612.73

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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.