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Finding the Fourth Proportional to 74,758.56, 103,166.24 and 41,224.56

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Solution

The fourth proportional to 74,758.56, 103,166.24 and 41,224.56 is: 56,889.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,758.56 : 103,166.24 = 41,224.56 : x
  2. Step 2: Convert to fraction form
    74,758.56/103,166.24 = 41,224.56/x
  3. Step 3: Cross multiply
    74,758.56x = 103,166.24 × 41,224.56
  4. Step 4: Simplify right side
    74,758.56x = 4,252,982,850.85
  5. Step 5: Solve for x
    x = 4,252,982,850.85/74,758.56
  6. Step 6: Final answer
    x = 56,889.58

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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.