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Finding the Fourth Proportional to 79,872.36, 110,229.30 and 46,338.36

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Solution

The fourth proportional to 79,872.36, 110,229.30 and 46,338.36 is: 63,950.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,872.36 : 110,229.30 = 46,338.36 : x
  2. Step 2: Convert to fraction form
    79,872.36/110,229.30 = 46,338.36/x
  3. Step 3: Cross multiply
    79,872.36x = 110,229.30 × 46,338.36
  4. Step 4: Simplify right side
    79,872.36x = 5,107,844,985.95
  5. Step 5: Solve for x
    x = 5,107,844,985.95/79,872.36
  6. Step 6: Final answer
    x = 63,950.09

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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.