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Finding the Fourth Proportional to 71,301.73, 107,057.73 and 39,773.39

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Solution

The fourth proportional to 71,301.73, 107,057.73 and 39,773.39 is: 59,718.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,301.73 : 107,057.73 = 39,773.39 : x
  2. Step 2: Convert to fraction form
    71,301.73/107,057.73 = 39,773.39/x
  3. Step 3: Cross multiply
    71,301.73x = 107,057.73 × 39,773.39
  4. Step 4: Simplify right side
    71,301.73x = 4,258,048,847.80
  5. Step 5: Solve for x
    x = 4,258,048,847.80/71,301.73
  6. Step 6: Final answer
    x = 59,718.73

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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.