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Finding the Fourth Proportional to 183,759.10, 275,583.87 and 71,456.74

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Solution

The fourth proportional to 183,759.10, 275,583.87 and 71,456.74 is: 107,163.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,759.10 : 275,583.87 = 71,456.74 : x
  2. Step 2: Convert to fraction form
    183,759.10/275,583.87 = 71,456.74/x
  3. Step 3: Cross multiply
    183,759.10x = 275,583.87 × 71,456.74
  4. Step 4: Simplify right side
    183,759.10x = 19,692,324,946.78
  5. Step 5: Solve for x
    x = 19,692,324,946.78/183,759.10
  6. Step 6: Final answer
    x = 107,163.81

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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.