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Finding the Fourth Proportional to 57,168.33, 85,736.30 and 36,076.78

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Solution

The fourth proportional to 57,168.33, 85,736.30 and 36,076.78 is: 54,104.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,168.33 : 85,736.30 = 36,076.78 : x
  2. Step 2: Convert to fraction form
    57,168.33/85,736.30 = 36,076.78/x
  3. Step 3: Cross multiply
    57,168.33x = 85,736.30 × 36,076.78
  4. Step 4: Simplify right side
    57,168.33x = 3,093,089,238.39
  5. Step 5: Solve for x
    x = 3,093,089,238.39/57,168.33
  6. Step 6: Final answer
    x = 54,104.94

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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.