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Finding the Fourth Proportional to 161,540.63, 222,922.37 and 101,144.57

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Solution

The fourth proportional to 161,540.63, 222,922.37 and 101,144.57 is: 139,577.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,540.63 : 222,922.37 = 101,144.57 : x
  2. Step 2: Convert to fraction form
    161,540.63/222,922.37 = 101,144.57/x
  3. Step 3: Cross multiply
    161,540.63x = 222,922.37 × 101,144.57
  4. Step 4: Simplify right side
    161,540.63x = 22,547,388,067.20
  5. Step 5: Solve for x
    x = 22,547,388,067.20/161,540.63
  6. Step 6: Final answer
    x = 139,577.19

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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.