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Finding the Fourth Proportional to 250,954.36, 376,351.70 and 82,435.58

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Solution

The fourth proportional to 250,954.36, 376,351.70 and 82,435.58 is: 123,627.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,954.36 : 376,351.70 = 82,435.58 : x
  2. Step 2: Convert to fraction form
    250,954.36/376,351.70 = 82,435.58/x
  3. Step 3: Cross multiply
    250,954.36x = 376,351.70 × 82,435.58
  4. Step 4: Simplify right side
    250,954.36x = 31,024,770,261.31
  5. Step 5: Solve for x
    x = 31,024,770,261.31/250,954.36
  6. Step 6: Final answer
    x = 123,627.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.