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Finding the Fourth Proportional to 68,951.11, 103,467.98 and 29,508.27

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Solution

The fourth proportional to 68,951.11, 103,467.98 and 29,508.27 is: 44,280.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,951.11 : 103,467.98 = 29,508.27 : x
  2. Step 2: Convert to fraction form
    68,951.11/103,467.98 = 29,508.27/x
  3. Step 3: Cross multiply
    68,951.11x = 103,467.98 × 29,508.27
  4. Step 4: Simplify right side
    68,951.11x = 3,053,161,090.19
  5. Step 5: Solve for x
    x = 3,053,161,090.19/68,951.11
  6. Step 6: Final answer
    x = 44,280.09

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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.