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Finding the Fourth Proportional to 68,874.24, 103,310.64 and 22,127.16

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Solution

The fourth proportional to 68,874.24, 103,310.64 and 22,127.16 is: 33,190.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,874.24 : 103,310.64 = 22,127.16 : x
  2. Step 2: Convert to fraction form
    68,874.24/103,310.64 = 22,127.16/x
  3. Step 3: Cross multiply
    68,874.24x = 103,310.64 × 22,127.16
  4. Step 4: Simplify right side
    68,874.24x = 2,285,971,060.98
  5. Step 5: Solve for x
    x = 2,285,971,060.98/68,874.24
  6. Step 6: Final answer
    x = 33,190.51

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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.