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Finding the Fourth Proportional to 274,907.86, 379,372.26 and 167,477.82

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Solution

The fourth proportional to 274,907.86, 379,372.26 and 167,477.82 is: 231,119.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,907.86 : 379,372.26 = 167,477.82 : x
  2. Step 2: Convert to fraction form
    274,907.86/379,372.26 = 167,477.82/x
  3. Step 3: Cross multiply
    274,907.86x = 379,372.26 × 167,477.82
  4. Step 4: Simplify right side
    274,907.86x = 63,536,439,073.27
  5. Step 5: Solve for x
    x = 63,536,439,073.27/274,907.86
  6. Step 6: Final answer
    x = 231,119.03

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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.