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Finding the Fourth Proportional to 69,134.50, 95,410.86 and 41,918.50

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Solution

The fourth proportional to 69,134.50, 95,410.86 and 41,918.50 is: 57,850.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,134.50 : 95,410.86 = 41,918.50 : x
  2. Step 2: Convert to fraction form
    69,134.50/95,410.86 = 41,918.50/x
  3. Step 3: Cross multiply
    69,134.50x = 95,410.86 × 41,918.50
  4. Step 4: Simplify right side
    69,134.50x = 3,999,480,134.91
  5. Step 5: Solve for x
    x = 3,999,480,134.91/69,134.50
  6. Step 6: Final answer
    x = 57,850.71

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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.