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Finding the Fourth Proportional to 69,867, 104,707 and 34,273.88

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Solution

The fourth proportional to 69,867, 104,707 and 34,273.88 is: 51,364.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,867 : 104,707 = 34,273.88 : x
  2. Step 2: Convert to fraction form
    69,867/104,707 = 34,273.88/x
  3. Step 3: Cross multiply
    69,867x = 104,707 × 34,273.88
  4. Step 4: Simplify right side
    69,867x = 3,588,715,153.16
  5. Step 5: Solve for x
    x = 3,588,715,153.16/69,867
  6. Step 6: Final answer
    x = 51,364.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.