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Finding the Fourth Proportional to 171,212.22, 256,850.46 and 52,855.80

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Solution

The fourth proportional to 171,212.22, 256,850.46 and 52,855.80 is: 79,293.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,212.22 : 256,850.46 = 52,855.80 : x
  2. Step 2: Convert to fraction form
    171,212.22/256,850.46 = 52,855.80/x
  3. Step 3: Cross multiply
    171,212.22x = 256,850.46 × 52,855.80
  4. Step 4: Simplify right side
    171,212.22x = 13,576,036,543.67
  5. Step 5: Solve for x
    x = 13,576,036,543.67/171,212.22
  6. Step 6: Final answer
    x = 79,293.62

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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.