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Finding the Fourth Proportional to 339,395.43, 509,094.36 and 114,757.73

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Solution

The fourth proportional to 339,395.43, 509,094.36 and 114,757.73 is: 172,137.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,395.43 : 509,094.36 = 114,757.73 : x
  2. Step 2: Convert to fraction form
    339,395.43/509,094.36 = 114,757.73/x
  3. Step 3: Cross multiply
    339,395.43x = 509,094.36 × 114,757.73
  4. Step 4: Simplify right side
    339,395.43x = 58,422,510,563.93
  5. Step 5: Solve for x
    x = 58,422,510,563.93/339,395.43
  6. Step 6: Final answer
    x = 172,137.00

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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.