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Finding the Fourth Proportional to 92,578.35, 127,757.84 and 50,136.87

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Solution

The fourth proportional to 92,578.35, 127,757.84 and 50,136.87 is: 69,188.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,578.35 : 127,757.84 = 50,136.87 : x
  2. Step 2: Convert to fraction form
    92,578.35/127,757.84 = 50,136.87/x
  3. Step 3: Cross multiply
    92,578.35x = 127,757.84 × 50,136.87
  4. Step 4: Simplify right side
    92,578.35x = 6,405,378,215.56
  5. Step 5: Solve for x
    x = 6,405,378,215.56/92,578.35
  6. Step 6: Final answer
    x = 69,188.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.