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Finding the Fourth Proportional to 66,876.32, 100,329.84 and 44,102.56

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Solution

The fourth proportional to 66,876.32, 100,329.84 and 44,102.56 is: 66,163.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,876.32 : 100,329.84 = 44,102.56 : x
  2. Step 2: Convert to fraction form
    66,876.32/100,329.84 = 44,102.56/x
  3. Step 3: Cross multiply
    66,876.32x = 100,329.84 × 44,102.56
  4. Step 4: Simplify right side
    66,876.32x = 4,424,802,788.39
  5. Step 5: Solve for x
    x = 4,424,802,788.39/66,876.32
  6. Step 6: Final answer
    x = 66,163.97

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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.