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Finding the Fourth Proportional to 89,350.56, 134,025.92 and 27,021.12

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Solution

The fourth proportional to 89,350.56, 134,025.92 and 27,021.12 is: 40,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,350.56 : 134,025.92 = 27,021.12 : x
  2. Step 2: Convert to fraction form
    89,350.56/134,025.92 = 27,021.12/x
  3. Step 3: Cross multiply
    89,350.56x = 134,025.92 × 27,021.12
  4. Step 4: Simplify right side
    89,350.56x = 3,621,530,467.43
  5. Step 5: Solve for x
    x = 3,621,530,467.43/89,350.56
  6. Step 6: Final answer
    x = 40,531.70

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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.