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Finding the Fourth Proportional to 79,764.46, 110,067.43 and 47,053.77

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Solution

The fourth proportional to 79,764.46, 110,067.43 and 47,053.77 is: 64,929.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,764.46 : 110,067.43 = 47,053.77 : x
  2. Step 2: Convert to fraction form
    79,764.46/110,067.43 = 47,053.77/x
  3. Step 3: Cross multiply
    79,764.46x = 110,067.43 × 47,053.77
  4. Step 4: Simplify right side
    79,764.46x = 5,179,087,535.71
  5. Step 5: Solve for x
    x = 5,179,087,535.71/79,764.46
  6. Step 6: Final answer
    x = 64,929.76

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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.