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Finding the Fourth Proportional to 68,647.20, 102,953.52 and 27,094.56

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Solution

The fourth proportional to 68,647.20, 102,953.52 and 27,094.56 is: 40,635.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,647.20 : 102,953.52 = 27,094.56 : x
  2. Step 2: Convert to fraction form
    68,647.20/102,953.52 = 27,094.56/x
  3. Step 3: Cross multiply
    68,647.20x = 102,953.52 × 27,094.56
  4. Step 4: Simplify right side
    68,647.20x = 2,789,480,324.85
  5. Step 5: Solve for x
    x = 2,789,480,324.85/68,647.20
  6. Step 6: Final answer
    x = 40,635.02

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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.