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Finding the Fourth Proportional to 60,136.92, 90,156.78 and 25,102.80

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Solution

The fourth proportional to 60,136.92, 90,156.78 and 25,102.80 is: 37,633.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,136.92 : 90,156.78 = 25,102.80 : x
  2. Step 2: Convert to fraction form
    60,136.92/90,156.78 = 25,102.80/x
  3. Step 3: Cross multiply
    60,136.92x = 90,156.78 × 25,102.80
  4. Step 4: Simplify right side
    60,136.92x = 2,263,187,616.98
  5. Step 5: Solve for x
    x = 2,263,187,616.98/60,136.92
  6. Step 6: Final answer
    x = 37,633.91

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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.