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Finding the Fourth Proportional to 74,858.50, 103,304.82 and 41,324.50

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Solution

The fourth proportional to 74,858.50, 103,304.82 and 41,324.50 is: 57,027.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,858.50 : 103,304.82 = 41,324.50 : x
  2. Step 2: Convert to fraction form
    74,858.50/103,304.82 = 41,324.50/x
  3. Step 3: Cross multiply
    74,858.50x = 103,304.82 × 41,324.50
  4. Step 4: Simplify right side
    74,858.50x = 4,269,020,034.09
  5. Step 5: Solve for x
    x = 4,269,020,034.09/74,858.50
  6. Step 6: Final answer
    x = 57,027.86

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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.