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Finding the Fourth Proportional to 367,086.13, 550,735.81 and 130,447.26

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Solution

The fourth proportional to 367,086.13, 550,735.81 and 130,447.26 is: 195,708.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,086.13 : 550,735.81 = 130,447.26 : x
  2. Step 2: Convert to fraction form
    367,086.13/550,735.81 = 130,447.26/x
  3. Step 3: Cross multiply
    367,086.13x = 550,735.81 × 130,447.26
  4. Step 4: Simplify right side
    367,086.13x = 71,841,977,072.26
  5. Step 5: Solve for x
    x = 71,841,977,072.26/367,086.13
  6. Step 6: Final answer
    x = 195,708.78

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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.