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Finding the Fourth Proportional to 79,552.74, 109,785.60 and 43,745.49

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Solution

The fourth proportional to 79,552.74, 109,785.60 and 43,745.49 is: 60,370.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,552.74 : 109,785.60 = 43,745.49 : x
  2. Step 2: Convert to fraction form
    79,552.74/109,785.60 = 43,745.49/x
  3. Step 3: Cross multiply
    79,552.74x = 109,785.60 × 43,745.49
  4. Step 4: Simplify right side
    79,552.74x = 4,802,624,866.94
  5. Step 5: Solve for x
    x = 4,802,624,866.94/79,552.74
  6. Step 6: Final answer
    x = 60,370.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.