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Finding the Fourth Proportional to 71,768.88, 99,039.59 and 44,926.19

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Solution

The fourth proportional to 71,768.88, 99,039.59 and 44,926.19 is: 61,997.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,768.88 : 99,039.59 = 44,926.19 : x
  2. Step 2: Convert to fraction form
    71,768.88/99,039.59 = 44,926.19/x
  3. Step 3: Cross multiply
    71,768.88x = 99,039.59 × 44,926.19
  4. Step 4: Simplify right side
    71,768.88x = 4,449,471,797.78
  5. Step 5: Solve for x
    x = 4,449,471,797.78/71,768.88
  6. Step 6: Final answer
    x = 61,997.23

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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.