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Finding the Fourth Proportional to 137,522.97, 206,287.34 and 44,028.45

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Solution

The fourth proportional to 137,522.97, 206,287.34 and 44,028.45 is: 66,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,522.97 : 206,287.34 = 44,028.45 : x
  2. Step 2: Convert to fraction form
    137,522.97/206,287.34 = 44,028.45/x
  3. Step 3: Cross multiply
    137,522.97x = 206,287.34 × 44,028.45
  4. Step 4: Simplify right side
    137,522.97x = 9,082,511,614.68
  5. Step 5: Solve for x
    x = 9,082,511,614.68/137,522.97
  6. Step 6: Final answer
    x = 66,043.60

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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.