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Finding the Fourth Proportional to 275,654.37, 380,391.24 and 160,939.37

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Solution

The fourth proportional to 275,654.37, 380,391.24 and 160,939.37 is: 222,089.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,654.37 : 380,391.24 = 160,939.37 : x
  2. Step 2: Convert to fraction form
    275,654.37/380,391.24 = 160,939.37/x
  3. Step 3: Cross multiply
    275,654.37x = 380,391.24 × 160,939.37
  4. Step 4: Simplify right side
    275,654.37x = 61,219,926,519.12
  5. Step 5: Solve for x
    x = 61,219,926,519.12/275,654.37
  6. Step 6: Final answer
    x = 222,089.45

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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.