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Finding the Fourth Proportional to 69,219.48, 103,837.90 and 27,094.12

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Solution

The fourth proportional to 69,219.48, 103,837.90 and 27,094.12 is: 40,644.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,219.48 : 103,837.90 = 27,094.12 : x
  2. Step 2: Convert to fraction form
    69,219.48/103,837.90 = 27,094.12/x
  3. Step 3: Cross multiply
    69,219.48x = 103,837.90 × 27,094.12
  4. Step 4: Simplify right side
    69,219.48x = 2,813,396,523.15
  5. Step 5: Solve for x
    x = 2,813,396,523.15/69,219.48
  6. Step 6: Final answer
    x = 40,644.58

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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.