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Finding the Fourth Proportional to 88,645.38, 122,325.47 and 50,399.41

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Solution

The fourth proportional to 88,645.38, 122,325.47 and 50,399.41 is: 69,548.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,645.38 : 122,325.47 = 50,399.41 : x
  2. Step 2: Convert to fraction form
    88,645.38/122,325.47 = 50,399.41/x
  3. Step 3: Cross multiply
    88,645.38x = 122,325.47 × 50,399.41
  4. Step 4: Simplify right side
    88,645.38x = 6,165,131,515.97
  5. Step 5: Solve for x
    x = 6,165,131,515.97/88,645.38
  6. Step 6: Final answer
    x = 69,548.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.