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Finding the Fourth Proportional to 74,783.25, 103,200.89 and 41,249.25

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Solution

The fourth proportional to 74,783.25, 103,200.89 and 41,249.25 is: 56,923.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,783.25 : 103,200.89 = 41,249.25 : x
  2. Step 2: Convert to fraction form
    74,783.25/103,200.89 = 41,249.25/x
  3. Step 3: Cross multiply
    74,783.25x = 103,200.89 × 41,249.25
  4. Step 4: Simplify right side
    74,783.25x = 4,256,959,105.59
  5. Step 5: Solve for x
    x = 4,256,959,105.59/74,783.25
  6. Step 6: Final answer
    x = 56,923.97

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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.