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Finding the Fourth Proportional to 68,014.92, 102,030.14 and 18,097.04

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Solution

The fourth proportional to 68,014.92, 102,030.14 and 18,097.04 is: 27,147.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,014.92 : 102,030.14 = 18,097.04 : x
  2. Step 2: Convert to fraction form
    68,014.92/102,030.14 = 18,097.04/x
  3. Step 3: Cross multiply
    68,014.92x = 102,030.14 × 18,097.04
  4. Step 4: Simplify right side
    68,014.92x = 1,846,443,524.79
  5. Step 5: Solve for x
    x = 1,846,443,524.79/68,014.92
  6. Step 6: Final answer
    x = 27,147.62

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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.