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Finding the Fourth Proportional to 79,371.73, 119,060.34 and 39,907.33

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Solution

The fourth proportional to 79,371.73, 119,060.34 and 39,907.33 is: 59,862.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,371.73 : 119,060.34 = 39,907.33 : x
  2. Step 2: Convert to fraction form
    79,371.73/119,060.34 = 39,907.33/x
  3. Step 3: Cross multiply
    79,371.73x = 119,060.34 × 39,907.33
  4. Step 4: Simplify right side
    79,371.73x = 4,751,380,278.29
  5. Step 5: Solve for x
    x = 4,751,380,278.29/79,371.73
  6. Step 6: Final answer
    x = 59,862.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.