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Finding the Fourth Proportional to 68,994, 103,515.98 and 33,958.26

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Solution

The fourth proportional to 68,994, 103,515.98 and 33,958.26 is: 50,949.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,994 : 103,515.98 = 33,958.26 : x
  2. Step 2: Convert to fraction form
    68,994/103,515.98 = 33,958.26/x
  3. Step 3: Cross multiply
    68,994x = 103,515.98 × 33,958.26
  4. Step 4: Simplify right side
    68,994x = 3,515,222,393.20
  5. Step 5: Solve for x
    x = 3,515,222,393.20/68,994
  6. Step 6: Final answer
    x = 50,949.68

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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.