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Finding the Fourth Proportional to 79,761.66, 110,075.92 and 43,951.62

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Solution

The fourth proportional to 79,761.66, 110,075.92 and 43,951.62 is: 60,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,761.66 : 110,075.92 = 43,951.62 : x
  2. Step 2: Convert to fraction form
    79,761.66/110,075.92 = 43,951.62/x
  3. Step 3: Cross multiply
    79,761.66x = 110,075.92 × 43,951.62
  4. Step 4: Simplify right side
    79,761.66x = 4,838,015,006.99
  5. Step 5: Solve for x
    x = 4,838,015,006.99/79,761.66
  6. Step 6: Final answer
    x = 60,655.90

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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.