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Finding the Fourth Proportional to 268,733.31, 371,004.93 and 178,211.49

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Solution

The fourth proportional to 268,733.31, 371,004.93 and 178,211.49 is: 246,033.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,733.31 : 371,004.93 = 178,211.49 : x
  2. Step 2: Convert to fraction form
    268,733.31/371,004.93 = 178,211.49/x
  3. Step 3: Cross multiply
    268,733.31x = 371,004.93 × 178,211.49
  4. Step 4: Simplify right side
    268,733.31x = 66,117,339,517.62
  5. Step 5: Solve for x
    x = 66,117,339,517.62/268,733.31
  6. Step 6: Final answer
    x = 246,033.29

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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.