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Finding the Fourth Proportional to 74,213.52, 111,135.60 and 51,922.60

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Solution

The fourth proportional to 74,213.52, 111,135.60 and 51,922.60 is: 77,754.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,213.52 : 111,135.60 = 51,922.60 : x
  2. Step 2: Convert to fraction form
    74,213.52/111,135.60 = 51,922.60/x
  3. Step 3: Cross multiply
    74,213.52x = 111,135.60 × 51,922.60
  4. Step 4: Simplify right side
    74,213.52x = 5,770,449,304.56
  5. Step 5: Solve for x
    x = 5,770,449,304.56/74,213.52
  6. Step 6: Final answer
    x = 77,754.69

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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.