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Finding the Fourth Proportional to 273,963.96, 378,076.46 and 160,868.28

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Solution

The fourth proportional to 273,963.96, 378,076.46 and 160,868.28 is: 222,001.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,963.96 : 378,076.46 = 160,868.28 : x
  2. Step 2: Convert to fraction form
    273,963.96/378,076.46 = 160,868.28/x
  3. Step 3: Cross multiply
    273,963.96x = 378,076.46 × 160,868.28
  4. Step 4: Simplify right side
    273,963.96x = 60,820,509,828.69
  5. Step 5: Solve for x
    x = 60,820,509,828.69/273,963.96
  6. Step 6: Final answer
    x = 222,001.86

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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.