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Finding the Fourth Proportional to 69,290.55, 103,675.81 and 41,107.41

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Solution

The fourth proportional to 69,290.55, 103,675.81 and 41,107.41 is: 61,506.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,290.55 : 103,675.81 = 41,107.41 : x
  2. Step 2: Convert to fraction form
    69,290.55/103,675.81 = 41,107.41/x
  3. Step 3: Cross multiply
    69,290.55x = 103,675.81 × 41,107.41
  4. Step 4: Simplify right side
    69,290.55x = 4,261,844,028.75
  5. Step 5: Solve for x
    x = 4,261,844,028.75/69,290.55
  6. Step 6: Final answer
    x = 61,506.86

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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.