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Finding the Fourth Proportional to 158,757.25, 238,135.88 and 47,949.25

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Solution

The fourth proportional to 158,757.25, 238,135.88 and 47,949.25 is: 71,923.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,757.25 : 238,135.88 = 47,949.25 : x
  2. Step 2: Convert to fraction form
    158,757.25/238,135.88 = 47,949.25/x
  3. Step 3: Cross multiply
    158,757.25x = 238,135.88 × 47,949.25
  4. Step 4: Simplify right side
    158,757.25x = 11,418,436,844.09
  5. Step 5: Solve for x
    x = 11,418,436,844.09/158,757.25
  6. Step 6: Final answer
    x = 71,923.88

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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.