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Finding the Fourth Proportional to 74,910.52, 103,374.54 and 41,375.80

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Solution

The fourth proportional to 74,910.52, 103,374.54 and 41,375.80 is: 57,097.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,910.52 : 103,374.54 = 41,375.80 : x
  2. Step 2: Convert to fraction form
    74,910.52/103,374.54 = 41,375.80/x
  3. Step 3: Cross multiply
    74,910.52x = 103,374.54 × 41,375.80
  4. Step 4: Simplify right side
    74,910.52x = 4,277,204,292.13
  5. Step 5: Solve for x
    x = 4,277,204,292.13/74,910.52
  6. Step 6: Final answer
    x = 57,097.51

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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.