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Finding the Fourth Proportional to 130,067.86, 195,101.87 and 36,573.61

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Solution

The fourth proportional to 130,067.86, 195,101.87 and 36,573.61 is: 54,860.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,067.86 : 195,101.87 = 36,573.61 : x
  2. Step 2: Convert to fraction form
    130,067.86/195,101.87 = 36,573.61/x
  3. Step 3: Cross multiply
    130,067.86x = 195,101.87 × 36,573.61
  4. Step 4: Simplify right side
    130,067.86x = 7,135,579,033.03
  5. Step 5: Solve for x
    x = 7,135,579,033.03/130,067.86
  6. Step 6: Final answer
    x = 54,860.43

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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.