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Finding the Fourth Proportional to 74,704.64, 103,092.41 and 41,170.64

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Solution

The fourth proportional to 74,704.64, 103,092.41 and 41,170.64 is: 56,815.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,704.64 : 103,092.41 = 41,170.64 : x
  2. Step 2: Convert to fraction form
    74,704.64/103,092.41 = 41,170.64/x
  3. Step 3: Cross multiply
    74,704.64x = 103,092.41 × 41,170.64
  4. Step 4: Simplify right side
    74,704.64x = 4,244,380,550.72
  5. Step 5: Solve for x
    x = 4,244,380,550.72/74,704.64
  6. Step 6: Final answer
    x = 56,815.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.