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Finding the Fourth Proportional to 68,170.83, 102,270.90 and 33,995.22

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Solution

The fourth proportional to 68,170.83, 102,270.90 and 33,995.22 is: 51,000.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,170.83 : 102,270.90 = 33,995.22 : x
  2. Step 2: Convert to fraction form
    68,170.83/102,270.90 = 33,995.22/x
  3. Step 3: Cross multiply
    68,170.83x = 102,270.90 × 33,995.22
  4. Step 4: Simplify right side
    68,170.83x = 3,476,721,745.10
  5. Step 5: Solve for x
    x = 3,476,721,745.10/68,170.83
  6. Step 6: Final answer
    x = 51,000.14

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1.5x scale

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.