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Finding the Fourth Proportional to 45,578.78, 68,269.75 and 44,463.41

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Solution

The fourth proportional to 45,578.78, 68,269.75 and 44,463.41 is: 66,599.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,578.78 : 68,269.75 = 44,463.41 : x
  2. Step 2: Convert to fraction form
    45,578.78/68,269.75 = 44,463.41/x
  3. Step 3: Cross multiply
    45,578.78x = 68,269.75 × 44,463.41
  4. Step 4: Simplify right side
    45,578.78x = 3,035,505,884.85
  5. Step 5: Solve for x
    x = 3,035,505,884.85/45,578.78
  6. Step 6: Final answer
    x = 66,599.10

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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.