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Finding the Fourth Proportional to 325,287.44, 487,964.30 and 112,027.60

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Solution

The fourth proportional to 325,287.44, 487,964.30 and 112,027.60 is: 168,052.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,287.44 : 487,964.30 = 112,027.60 : x
  2. Step 2: Convert to fraction form
    325,287.44/487,964.30 = 112,027.60/x
  3. Step 3: Cross multiply
    325,287.44x = 487,964.30 × 112,027.60
  4. Step 4: Simplify right side
    325,287.44x = 54,665,467,634.63
  5. Step 5: Solve for x
    x = 54,665,467,634.63/325,287.44
  6. Step 6: Final answer
    x = 168,052.81

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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.