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Finding the Fourth Proportional to 107,467.80, 161,144.10 and 45,067.80

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Solution

The fourth proportional to 107,467.80, 161,144.10 and 45,067.80 is: 67,577.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,467.80 : 161,144.10 = 45,067.80 : x
  2. Step 2: Convert to fraction form
    107,467.80/161,144.10 = 45,067.80/x
  3. Step 3: Cross multiply
    107,467.80x = 161,144.10 × 45,067.80
  4. Step 4: Simplify right side
    107,467.80x = 7,262,410,069.98
  5. Step 5: Solve for x
    x = 7,262,410,069.98/107,467.80
  6. Step 6: Final answer
    x = 67,577.54

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1.5x scale

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.