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Finding the Fourth Proportional to 371,873.37, 557,846.97 and 119,090.37

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Solution

The fourth proportional to 371,873.37, 557,846.97 and 119,090.37 is: 178,647.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,873.37 : 557,846.97 = 119,090.37 : x
  2. Step 2: Convert to fraction form
    371,873.37/557,846.97 = 119,090.37/x
  3. Step 3: Cross multiply
    371,873.37x = 557,846.97 × 119,090.37
  4. Step 4: Simplify right side
    371,873.37x = 66,434,202,060.68
  5. Step 5: Solve for x
    x = 66,434,202,060.68/371,873.37
  6. Step 6: Final answer
    x = 178,647.38

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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.