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Finding the Fourth Proportional to 75,297.56, 103,910.67 and 41,763.56

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Solution

The fourth proportional to 75,297.56, 103,910.67 and 41,763.56 is: 57,633.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,297.56 : 103,910.67 = 41,763.56 : x
  2. Step 2: Convert to fraction form
    75,297.56/103,910.67 = 41,763.56/x
  3. Step 3: Cross multiply
    75,297.56x = 103,910.67 × 41,763.56
  4. Step 4: Simplify right side
    75,297.56x = 4,339,679,501.19
  5. Step 5: Solve for x
    x = 4,339,679,501.19/75,297.56
  6. Step 6: Final answer
    x = 57,633.73

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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.