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Finding the Fourth Proportional to 181,659.54, 250,724.84 and 120,297.56

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Solution

The fourth proportional to 181,659.54, 250,724.84 and 120,297.56 is: 166,033.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,659.54 : 250,724.84 = 120,297.56 : x
  2. Step 2: Convert to fraction form
    181,659.54/250,724.84 = 120,297.56/x
  3. Step 3: Cross multiply
    181,659.54x = 250,724.84 × 120,297.56
  4. Step 4: Simplify right side
    181,659.54x = 30,161,586,483.39
  5. Step 5: Solve for x
    x = 30,161,586,483.39/181,659.54
  6. Step 6: Final answer
    x = 166,033.59

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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.