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Finding the Fourth Proportional to 71,336.26, 107,005.29 and 33,899.98

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Solution

The fourth proportional to 71,336.26, 107,005.29 and 33,899.98 is: 50,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,336.26 : 107,005.29 = 33,899.98 : x
  2. Step 2: Convert to fraction form
    71,336.26/107,005.29 = 33,899.98/x
  3. Step 3: Cross multiply
    71,336.26x = 107,005.29 × 33,899.98
  4. Step 4: Simplify right side
    71,336.26x = 3,627,477,190.89
  5. Step 5: Solve for x
    x = 3,627,477,190.89/71,336.26
  6. Step 6: Final answer
    x = 50,850.40

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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.