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Finding the Fourth Proportional to 274,905.86, 379,369.50 and 167,475.82

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Solution

The fourth proportional to 274,905.86, 379,369.50 and 167,475.82 is: 231,116.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,905.86 : 379,369.50 = 167,475.82 : x
  2. Step 2: Convert to fraction form
    274,905.86/379,369.50 = 167,475.82/x
  3. Step 3: Cross multiply
    274,905.86x = 379,369.50 × 167,475.82
  4. Step 4: Simplify right side
    274,905.86x = 63,535,218,095.49
  5. Step 5: Solve for x
    x = 63,535,218,095.49/274,905.86
  6. Step 6: Final answer
    x = 231,116.27

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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.