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Finding the Fourth Proportional to 69,218.28, 103,836.06 and 27,092.93

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Solution

The fourth proportional to 69,218.28, 103,836.06 and 27,092.93 is: 40,642.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,218.28 : 103,836.06 = 27,092.93 : x
  2. Step 2: Convert to fraction form
    69,218.28/103,836.06 = 27,092.93/x
  3. Step 3: Cross multiply
    69,218.28x = 103,836.06 × 27,092.93
  4. Step 4: Simplify right side
    69,218.28x = 2,813,222,585.88
  5. Step 5: Solve for x
    x = 2,813,222,585.88/69,218.28
  6. Step 6: Final answer
    x = 40,642.77

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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.