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Finding the Fourth Proportional to 67,136.00, 100,613.21 and 25,560.32

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Solution

The fourth proportional to 67,136.00, 100,613.21 and 25,560.32 is: 38,305.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,136.00 : 100,613.21 = 25,560.32 : x
  2. Step 2: Convert to fraction form
    67,136.00/100,613.21 = 25,560.32/x
  3. Step 3: Cross multiply
    67,136.00x = 100,613.21 × 25,560.32
  4. Step 4: Simplify right side
    67,136.00x = 2,571,705,212.96
  5. Step 5: Solve for x
    x = 2,571,705,212.96/67,136.00
  6. Step 6: Final answer
    x = 38,305.91

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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.