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Finding the Fourth Proportional to 67,651.44, 101,447.16 and 36,055.61

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Solution

The fourth proportional to 67,651.44, 101,447.16 and 36,055.61 is: 54,067.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,651.44 : 101,447.16 = 36,055.61 : x
  2. Step 2: Convert to fraction form
    67,651.44/101,447.16 = 36,055.61/x
  3. Step 3: Cross multiply
    67,651.44x = 101,447.16 × 36,055.61
  4. Step 4: Simplify right side
    67,651.44x = 3,657,739,490.19
  5. Step 5: Solve for x
    x = 3,657,739,490.19/67,651.44
  6. Step 6: Final answer
    x = 54,067.43

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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.