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Finding the Fourth Proportional to 72,751.26, 109,128.30 and 22,832.98

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Solution

The fourth proportional to 72,751.26, 109,128.30 and 22,832.98 is: 34,249.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,751.26 : 109,128.30 = 22,832.98 : x
  2. Step 2: Convert to fraction form
    72,751.26/109,128.30 = 22,832.98/x
  3. Step 3: Cross multiply
    72,751.26x = 109,128.30 × 22,832.98
  4. Step 4: Simplify right side
    72,751.26x = 2,491,724,291.33
  5. Step 5: Solve for x
    x = 2,491,724,291.33/72,751.26
  6. Step 6: Final answer
    x = 34,249.91

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.