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Finding the Fourth Proportional to 193,754.03, 290,512.17 and 75,287.07

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Solution

The fourth proportional to 193,754.03, 290,512.17 and 75,287.07 is: 112,884.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,754.03 : 290,512.17 = 75,287.07 : x
  2. Step 2: Convert to fraction form
    193,754.03/290,512.17 = 75,287.07/x
  3. Step 3: Cross multiply
    193,754.03x = 290,512.17 × 75,287.07
  4. Step 4: Simplify right side
    193,754.03x = 21,871,810,078.64
  5. Step 5: Solve for x
    x = 21,871,810,078.64/193,754.03
  6. Step 6: Final answer
    x = 112,884.42

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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.