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Finding the Fourth Proportional to 74,524.44, 111,786.64 and 43,337.82

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Solution

The fourth proportional to 74,524.44, 111,786.64 and 43,337.82 is: 65,006.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,524.44 : 111,786.64 = 43,337.82 : x
  2. Step 2: Convert to fraction form
    74,524.44/111,786.64 = 43,337.82/x
  3. Step 3: Cross multiply
    74,524.44x = 111,786.64 × 43,337.82
  4. Step 4: Simplify right side
    74,524.44x = 4,844,589,282.72
  5. Step 5: Solve for x
    x = 4,844,589,282.72/74,524.44
  6. Step 6: Final answer
    x = 65,006.72

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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.