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Finding the Fourth Proportional to 183,770.10, 275,524.81 and 71,355.60

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Solution

The fourth proportional to 183,770.10, 275,524.81 and 71,355.60 is: 106,982.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,770.10 : 275,524.81 = 71,355.60 : x
  2. Step 2: Convert to fraction form
    183,770.10/275,524.81 = 71,355.60/x
  3. Step 3: Cross multiply
    183,770.10x = 275,524.81 × 71,355.60
  4. Step 4: Simplify right side
    183,770.10x = 19,660,237,954.05
  5. Step 5: Solve for x
    x = 19,660,237,954.05/183,770.10
  6. Step 6: Final answer
    x = 106,982.79

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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.