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Finding the Fourth Proportional to 274,897.74, 379,358.39 and 167,467.77

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Solution

The fourth proportional to 274,897.74, 379,358.39 and 167,467.77 is: 231,105.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,897.74 : 379,358.39 = 167,467.77 : x
  2. Step 2: Convert to fraction form
    274,897.74/379,358.39 = 167,467.77/x
  3. Step 3: Cross multiply
    274,897.74x = 379,358.39 × 167,467.77
  4. Step 4: Simplify right side
    274,897.74x = 63,530,302,766.75
  5. Step 5: Solve for x
    x = 63,530,302,766.75/274,897.74
  6. Step 6: Final answer
    x = 231,105.22

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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.