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Finding the Fourth Proportional to 127,163.34, 190,745.10 and 44,057.34

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Solution

The fourth proportional to 127,163.34, 190,745.10 and 44,057.34 is: 66,086.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,163.34 : 190,745.10 = 44,057.34 : x
  2. Step 2: Convert to fraction form
    127,163.34/190,745.10 = 44,057.34/x
  3. Step 3: Cross multiply
    127,163.34x = 190,745.10 × 44,057.34
  4. Step 4: Simplify right side
    127,163.34x = 8,403,721,724.03
  5. Step 5: Solve for x
    x = 8,403,721,724.03/127,163.34
  6. Step 6: Final answer
    x = 66,086.04

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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.