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Finding the Fourth Proportional to 273,108.78, 376,676.46 and 177,645.96

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Solution

The fourth proportional to 273,108.78, 376,676.46 and 177,645.96 is: 245,012.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,108.78 : 376,676.46 = 177,645.96 : x
  2. Step 2: Convert to fraction form
    273,108.78/376,676.46 = 177,645.96/x
  3. Step 3: Cross multiply
    273,108.78x = 376,676.46 × 177,645.96
  4. Step 4: Simplify right side
    273,108.78x = 66,915,051,346.10
  5. Step 5: Solve for x
    x = 66,915,051,346.10/273,108.78
  6. Step 6: Final answer
    x = 245,012.45

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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.