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Finding the Fourth Proportional to 275,593.96, 380,361.30 and 168,226.60

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Solution

The fourth proportional to 275,593.96, 380,361.30 and 168,226.60 is: 232,178.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,593.96 : 380,361.30 = 168,226.60 : x
  2. Step 2: Convert to fraction form
    275,593.96/380,361.30 = 168,226.60/x
  3. Step 3: Cross multiply
    275,593.96x = 380,361.30 × 168,226.60
  4. Step 4: Simplify right side
    275,593.96x = 63,986,888,270.58
  5. Step 5: Solve for x
    x = 63,986,888,270.58/275,593.96
  6. Step 6: Final answer
    x = 232,178.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.