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Finding the Fourth Proportional to 100,197.81, 150,348.15 and 44,076.96

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Solution

The fourth proportional to 100,197.81, 150,348.15 and 44,076.96 is: 66,138.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,197.81 : 150,348.15 = 44,076.96 : x
  2. Step 2: Convert to fraction form
    100,197.81/150,348.15 = 44,076.96/x
  3. Step 3: Cross multiply
    100,197.81x = 150,348.15 × 44,076.96
  4. Step 4: Simplify right side
    100,197.81x = 6,626,889,393.62
  5. Step 5: Solve for x
    x = 6,626,889,393.62/100,197.81
  6. Step 6: Final answer
    x = 66,138.07

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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.