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Finding the Fourth Proportional to 68,774.31, 94,949.96 and 44,940.87

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Solution

The fourth proportional to 68,774.31, 94,949.96 and 44,940.87 is: 62,045.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,774.31 : 94,949.96 = 44,940.87 : x
  2. Step 2: Convert to fraction form
    68,774.31/94,949.96 = 44,940.87/x
  3. Step 3: Cross multiply
    68,774.31x = 94,949.96 × 44,940.87
  4. Step 4: Simplify right side
    68,774.31x = 4,267,133,584.16
  5. Step 5: Solve for x
    x = 4,267,133,584.16/68,774.31
  6. Step 6: Final answer
    x = 62,045.46

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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.