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Finding the Fourth Proportional to 161,339.56, 222,651.22 and 88,745.32

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Solution

The fourth proportional to 161,339.56, 222,651.22 and 88,745.32 is: 122,469.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,339.56 : 222,651.22 = 88,745.32 : x
  2. Step 2: Convert to fraction form
    161,339.56/222,651.22 = 88,745.32/x
  3. Step 3: Cross multiply
    161,339.56x = 222,651.22 × 88,745.32
  4. Step 4: Simplify right side
    161,339.56x = 19,759,253,767.29
  5. Step 5: Solve for x
    x = 19,759,253,767.29/161,339.56
  6. Step 6: Final answer
    x = 122,469.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.