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Finding the Fourth Proportional to 188,201.64, 259,651.26 and 111,662.31

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Solution

The fourth proportional to 188,201.64, 259,651.26 and 111,662.31 is: 154,054.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,201.64 : 259,651.26 = 111,662.31 : x
  2. Step 2: Convert to fraction form
    188,201.64/259,651.26 = 111,662.31/x
  3. Step 3: Cross multiply
    188,201.64x = 259,651.26 × 111,662.31
  4. Step 4: Simplify right side
    188,201.64x = 28,993,259,486.01
  5. Step 5: Solve for x
    x = 28,993,259,486.01/188,201.64
  6. Step 6: Final answer
    x = 154,054.23

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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.