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Finding the Fourth Proportional to 273,111.78, 376,680.60 and 177,648.96

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Solution

The fourth proportional to 273,111.78, 376,680.60 and 177,648.96 is: 245,016.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,111.78 : 376,680.60 = 177,648.96 : x
  2. Step 2: Convert to fraction form
    273,111.78/376,680.60 = 177,648.96/x
  3. Step 3: Cross multiply
    273,111.78x = 376,680.60 × 177,648.96
  4. Step 4: Simplify right side
    273,111.78x = 66,916,916,842.18
  5. Step 5: Solve for x
    x = 66,916,916,842.18/273,111.78
  6. Step 6: Final answer
    x = 245,016.59

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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.