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Finding the Fourth Proportional to 68,624.92, 94,761.50 and 43,173.71

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Solution

The fourth proportional to 68,624.92, 94,761.50 and 43,173.71 is: 59,616.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,624.92 : 94,761.50 = 43,173.71 : x
  2. Step 2: Convert to fraction form
    68,624.92/94,761.50 = 43,173.71/x
  3. Step 3: Cross multiply
    68,624.92x = 94,761.50 × 43,173.71
  4. Step 4: Simplify right side
    68,624.92x = 4,091,205,185.84
  5. Step 5: Solve for x
    x = 4,091,205,185.84/68,624.92
  6. Step 6: Final answer
    x = 59,616.90

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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.