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Finding the Fourth Proportional to 69,074.67, 103,611.99 and 49,391.67

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Solution

The fourth proportional to 69,074.67, 103,611.99 and 49,391.67 is: 74,087.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,074.67 : 103,611.99 = 49,391.67 : x
  2. Step 2: Convert to fraction form
    69,074.67/103,611.99 = 49,391.67/x
  3. Step 3: Cross multiply
    69,074.67x = 103,611.99 × 49,391.67
  4. Step 4: Simplify right side
    69,074.67x = 5,117,569,218.12
  5. Step 5: Solve for x
    x = 5,117,569,218.12/69,074.67
  6. Step 6: Final answer
    x = 74,087.49

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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.