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Finding the Fourth Proportional to 69,313.40, 103,969.14 and 16,722.44

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Solution

The fourth proportional to 69,313.40, 103,969.14 and 16,722.44 is: 25,083.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,313.40 : 103,969.14 = 16,722.44 : x
  2. Step 2: Convert to fraction form
    69,313.40/103,969.14 = 16,722.44/x
  3. Step 3: Cross multiply
    69,313.40x = 103,969.14 × 16,722.44
  4. Step 4: Simplify right side
    69,313.40x = 1,738,617,705.50
  5. Step 5: Solve for x
    x = 1,738,617,705.50/69,313.40
  6. Step 6: Final answer
    x = 25,083.43

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