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Finding the Fourth Proportional to 100,276.52, 150,395.33 and 37,951.88

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Solution

The fourth proportional to 100,276.52, 150,395.33 and 37,951.88 is: 56,920.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,276.52 : 150,395.33 = 37,951.88 : x
  2. Step 2: Convert to fraction form
    100,276.52/150,395.33 = 37,951.88/x
  3. Step 3: Cross multiply
    100,276.52x = 150,395.33 × 37,951.88
  4. Step 4: Simplify right side
    100,276.52x = 5,707,784,859.62
  5. Step 5: Solve for x
    x = 5,707,784,859.62/100,276.52
  6. Step 6: Final answer
    x = 56,920.46

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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.