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Finding the Fourth Proportional to 69,096.81, 103,579.61 and 27,003.90

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Solution

The fourth proportional to 69,096.81, 103,579.61 and 27,003.90 is: 40,480.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,096.81 : 103,579.61 = 27,003.90 : x
  2. Step 2: Convert to fraction form
    69,096.81/103,579.61 = 27,003.90/x
  3. Step 3: Cross multiply
    69,096.81x = 103,579.61 × 27,003.90
  4. Step 4: Simplify right side
    69,096.81x = 2,797,053,253.14
  5. Step 5: Solve for x
    x = 2,797,053,253.14/69,096.81
  6. Step 6: Final answer
    x = 40,480.21

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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.