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Finding the Fourth Proportional to 91,884.50, 137,739.24 and 29,511.26

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Solution

The fourth proportional to 91,884.50, 137,739.24 and 29,511.26 is: 44,238.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,884.50 : 137,739.24 = 29,511.26 : x
  2. Step 2: Convert to fraction form
    91,884.50/137,739.24 = 29,511.26/x
  3. Step 3: Cross multiply
    91,884.50x = 137,739.24 × 29,511.26
  4. Step 4: Simplify right side
    91,884.50x = 4,064,858,523.84
  5. Step 5: Solve for x
    x = 4,064,858,523.84/91,884.50
  6. Step 6: Final answer
    x = 44,238.78

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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.