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Finding the Fourth Proportional to 183,896.73, 275,877.90 and 71,638.02

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Solution

The fourth proportional to 183,896.73, 275,877.90 and 71,638.02 is: 107,469.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,896.73 : 275,877.90 = 71,638.02 : x
  2. Step 2: Convert to fraction form
    183,896.73/275,877.90 = 71,638.02/x
  3. Step 3: Cross multiply
    183,896.73x = 275,877.90 × 71,638.02
  4. Step 4: Simplify right side
    183,896.73x = 19,763,346,517.76
  5. Step 5: Solve for x
    x = 19,763,346,517.76/183,896.73
  6. Step 6: Final answer
    x = 107,469.81

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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.