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Finding the Fourth Proportional to 273,140.89, 376,994.78 and 177,481.51

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Solution

The fourth proportional to 273,140.89, 376,994.78 and 177,481.51 is: 244,963.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,140.89 : 376,994.78 = 177,481.51 : x
  2. Step 2: Convert to fraction form
    273,140.89/376,994.78 = 177,481.51/x
  3. Step 3: Cross multiply
    273,140.89x = 376,994.78 × 177,481.51
  4. Step 4: Simplify right side
    273,140.89x = 66,909,602,816.52
  5. Step 5: Solve for x
    x = 66,909,602,816.52/273,140.89
  6. Step 6: Final answer
    x = 244,963.70

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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.