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Finding the Fourth Proportional to 68,817.36, 94,983.12 and 43,662

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Solution

The fourth proportional to 68,817.36, 94,983.12 and 43,662 is: 60,263.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,817.36 : 94,983.12 = 43,662 : x
  2. Step 2: Convert to fraction form
    68,817.36/94,983.12 = 43,662/x
  3. Step 3: Cross multiply
    68,817.36x = 94,983.12 × 43,662
  4. Step 4: Simplify right side
    68,817.36x = 4,147,152,985.44
  5. Step 5: Solve for x
    x = 4,147,152,985.44/68,817.36
  6. Step 6: Final answer
    x = 60,263.18

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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.