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Finding the Fourth Proportional to 69,208.84, 103,741.26 and 50,187.41

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Solution

The fourth proportional to 69,208.84, 103,741.26 and 50,187.41 is: 75,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,208.84 : 103,741.26 = 50,187.41 : x
  2. Step 2: Convert to fraction form
    69,208.84/103,741.26 = 50,187.41/x
  3. Step 3: Cross multiply
    69,208.84x = 103,741.26 × 50,187.41
  4. Step 4: Simplify right side
    69,208.84x = 5,206,504,963.34
  5. Step 5: Solve for x
    x = 5,206,504,963.34/69,208.84
  6. Step 6: Final answer
    x = 75,228.90

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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.