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Finding the Fourth Proportional to 181,247.84, 250,191.76 and 120,796.42

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Solution

The fourth proportional to 181,247.84, 250,191.76 and 120,796.42 is: 166,745.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,247.84 : 250,191.76 = 120,796.42 : x
  2. Step 2: Convert to fraction form
    181,247.84/250,191.76 = 120,796.42/x
  3. Step 3: Cross multiply
    181,247.84x = 250,191.76 × 120,796.42
  4. Step 4: Simplify right side
    181,247.84x = 30,222,268,921.50
  5. Step 5: Solve for x
    x = 30,222,268,921.50/181,247.84
  6. Step 6: Final answer
    x = 166,745.54

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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.