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Finding the Fourth Proportional to 69,294.70, 103,682.56 and 49,350.29

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Solution

The fourth proportional to 69,294.70, 103,682.56 and 49,350.29 is: 73,840.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,294.70 : 103,682.56 = 49,350.29 : x
  2. Step 2: Convert to fraction form
    69,294.70/103,682.56 = 49,350.29/x
  3. Step 3: Cross multiply
    69,294.70x = 103,682.56 × 49,350.29
  4. Step 4: Simplify right side
    69,294.70x = 5,116,764,403.94
  5. Step 5: Solve for x
    x = 5,116,764,403.94/69,294.70
  6. Step 6: Final answer
    x = 73,840.63

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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.