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Finding the Fourth Proportional to 264,136.80, 396,205.20 and 95,737.80

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Solution

The fourth proportional to 264,136.80, 396,205.20 and 95,737.80 is: 143,606.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,136.80 : 396,205.20 = 95,737.80 : x
  2. Step 2: Convert to fraction form
    264,136.80/396,205.20 = 95,737.80/x
  3. Step 3: Cross multiply
    264,136.80x = 396,205.20 × 95,737.80
  4. Step 4: Simplify right side
    264,136.80x = 37,931,814,196.56
  5. Step 5: Solve for x
    x = 37,931,814,196.56/264,136.80
  6. Step 6: Final answer
    x = 143,606.70

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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.