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Finding the Fourth Proportional to 267,825.12, 401,893.44 and 120,081.12

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Solution

The fourth proportional to 267,825.12, 401,893.44 and 120,081.12 is: 180,191.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,825.12 : 401,893.44 = 120,081.12 : x
  2. Step 2: Convert to fraction form
    267,825.12/401,893.44 = 120,081.12/x
  3. Step 3: Cross multiply
    267,825.12x = 401,893.44 × 120,081.12
  4. Step 4: Simplify right side
    267,825.12x = 48,259,814,395.85
  5. Step 5: Solve for x
    x = 48,259,814,395.85/267,825.12
  6. Step 6: Final answer
    x = 180,191.52

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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.