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Finding the Fourth Proportional to 273,109.78, 376,677.84 and 177,646.96

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Solution

The fourth proportional to 273,109.78, 376,677.84 and 177,646.96 is: 245,013.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,109.78 : 376,677.84 = 177,646.96 : x
  2. Step 2: Convert to fraction form
    273,109.78/376,677.84 = 177,646.96/x
  3. Step 3: Cross multiply
    273,109.78x = 376,677.84 × 177,646.96
  4. Step 4: Simplify right side
    273,109.78x = 66,915,673,175.37
  5. Step 5: Solve for x
    x = 66,915,673,175.37/273,109.78
  6. Step 6: Final answer
    x = 245,013.83

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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.