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Finding the Fourth Proportional to 68,251.51, 102,382.13 and 23,889.43

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Solution

The fourth proportional to 68,251.51, 102,382.13 and 23,889.43 is: 35,835.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,251.51 : 102,382.13 = 23,889.43 : x
  2. Step 2: Convert to fraction form
    68,251.51/102,382.13 = 23,889.43/x
  3. Step 3: Cross multiply
    68,251.51x = 102,382.13 × 23,889.43
  4. Step 4: Simplify right side
    68,251.51x = 2,445,850,781.21
  5. Step 5: Solve for x
    x = 2,445,850,781.21/68,251.51
  6. Step 6: Final answer
    x = 35,835.85

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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.