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Finding the Fourth Proportional to 68,361.84, 102,608.40 and 33,326.10

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Solution

The fourth proportional to 68,361.84, 102,608.40 and 33,326.10 is: 50,021.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,361.84 : 102,608.40 = 33,326.10 : x
  2. Step 2: Convert to fraction form
    68,361.84/102,608.40 = 33,326.10/x
  3. Step 3: Cross multiply
    68,361.84x = 102,608.40 × 33,326.10
  4. Step 4: Simplify right side
    68,361.84x = 3,419,537,799.24
  5. Step 5: Solve for x
    x = 3,419,537,799.24/68,361.84
  6. Step 6: Final answer
    x = 50,021.15

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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.