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Finding the Fourth Proportional to 144,757.74, 217,136.69 and 39,568.80

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Solution

The fourth proportional to 144,757.74, 217,136.69 and 39,568.80 is: 59,353.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,757.74 : 217,136.69 = 39,568.80 : x
  2. Step 2: Convert to fraction form
    144,757.74/217,136.69 = 39,568.80/x
  3. Step 3: Cross multiply
    144,757.74x = 217,136.69 × 39,568.80
  4. Step 4: Simplify right side
    144,757.74x = 8,591,837,173.59
  5. Step 5: Solve for x
    x = 8,591,837,173.59/144,757.74
  6. Step 6: Final answer
    x = 59,353.22

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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.