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Finding the Fourth Proportional to 79,595.45, 109,843.42 and 43,785.46

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Solution

The fourth proportional to 79,595.45, 109,843.42 and 43,785.46 is: 60,424.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,595.45 : 109,843.42 = 43,785.46 : x
  2. Step 2: Convert to fraction form
    79,595.45/109,843.42 = 43,785.46/x
  3. Step 3: Cross multiply
    79,595.45x = 109,843.42 × 43,785.46
  4. Step 4: Simplify right side
    79,595.45x = 4,809,544,288.60
  5. Step 5: Solve for x
    x = 4,809,544,288.60/79,595.45
  6. Step 6: Final answer
    x = 60,424.87

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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.