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Finding the Fourth Proportional to 79,359.63, 109,511.93 and 43,546.82

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Solution

The fourth proportional to 79,359.63, 109,511.93 and 43,546.82 is: 60,092.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,359.63 : 109,511.93 = 43,546.82 : x
  2. Step 2: Convert to fraction form
    79,359.63/109,511.93 = 43,546.82/x
  3. Step 3: Cross multiply
    79,359.63x = 109,511.93 × 43,546.82
  4. Step 4: Simplify right side
    79,359.63x = 4,768,895,538.27
  5. Step 5: Solve for x
    x = 4,768,895,538.27/79,359.63
  6. Step 6: Final answer
    x = 60,092.21

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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.