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Finding the Fourth Proportional to 275,119.52, 379,732.36 and 167,748.64

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Solution

The fourth proportional to 275,119.52, 379,732.36 and 167,748.64 is: 231,534.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,119.52 : 379,732.36 = 167,748.64 : x
  2. Step 2: Convert to fraction form
    275,119.52/379,732.36 = 167,748.64/x
  3. Step 3: Cross multiply
    275,119.52x = 379,732.36 × 167,748.64
  4. Step 4: Simplify right side
    275,119.52x = 63,699,586,953.99
  5. Step 5: Solve for x
    x = 63,699,586,953.99/275,119.52
  6. Step 6: Final answer
    x = 231,534.23

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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.