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Finding the Fourth Proportional to 68,382.04, 94,354.74 and 51,995.96

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Solution

The fourth proportional to 68,382.04, 94,354.74 and 51,995.96 is: 71,744.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,382.04 : 94,354.74 = 51,995.96 : x
  2. Step 2: Convert to fraction form
    68,382.04/94,354.74 = 51,995.96/x
  3. Step 3: Cross multiply
    68,382.04x = 94,354.74 × 51,995.96
  4. Step 4: Simplify right side
    68,382.04x = 4,906,065,286.85
  5. Step 5: Solve for x
    x = 4,906,065,286.85/68,382.04
  6. Step 6: Final answer
    x = 71,744.94

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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.