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Finding the Fourth Proportional to 71,849.43, 107,774.82 and 25,102.44

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Solution

The fourth proportional to 71,849.43, 107,774.82 and 25,102.44 is: 37,653.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,849.43 : 107,774.82 = 25,102.44 : x
  2. Step 2: Convert to fraction form
    71,849.43/107,774.82 = 25,102.44/x
  3. Step 3: Cross multiply
    71,849.43x = 107,774.82 × 25,102.44
  4. Step 4: Simplify right side
    71,849.43x = 2,705,410,952.56
  5. Step 5: Solve for x
    x = 2,705,410,952.56/71,849.43
  6. Step 6: Final answer
    x = 37,653.90

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1.5x scale

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.