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Finding the Fourth Proportional to 68,017.34, 102,025.87 and 18,097.43

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Solution

The fourth proportional to 68,017.34, 102,025.87 and 18,097.43 is: 27,146.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,017.34 : 102,025.87 = 18,097.43 : x
  2. Step 2: Convert to fraction form
    68,017.34/102,025.87 = 18,097.43/x
  3. Step 3: Cross multiply
    68,017.34x = 102,025.87 × 18,097.43
  4. Step 4: Simplify right side
    68,017.34x = 1,846,405,485.14
  5. Step 5: Solve for x
    x = 1,846,405,485.14/68,017.34
  6. Step 6: Final answer
    x = 27,146.10

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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.