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Finding the Fourth Proportional to 67,889.67, 101,843.43 and 25,189.28

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Solution

The fourth proportional to 67,889.67, 101,843.43 and 25,189.28 is: 37,787.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,889.67 : 101,843.43 = 25,189.28 : x
  2. Step 2: Convert to fraction form
    67,889.67/101,843.43 = 25,189.28/x
  3. Step 3: Cross multiply
    67,889.67x = 101,843.43 × 25,189.28
  4. Step 4: Simplify right side
    67,889.67x = 2,565,362,165.21
  5. Step 5: Solve for x
    x = 2,565,362,165.21/67,889.67
  6. Step 6: Final answer
    x = 37,787.22

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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.