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Finding the Fourth Proportional to 80,684.25, 111,344.27 and 47,150.25

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Solution

The fourth proportional to 80,684.25, 111,344.27 and 47,150.25 is: 65,067.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,684.25 : 111,344.27 = 47,150.25 : x
  2. Step 2: Convert to fraction form
    80,684.25/111,344.27 = 47,150.25/x
  3. Step 3: Cross multiply
    80,684.25x = 111,344.27 × 47,150.25
  4. Step 4: Simplify right side
    80,684.25x = 5,249,909,930.82
  5. Step 5: Solve for x
    x = 5,249,909,930.82/80,684.25
  6. Step 6: Final answer
    x = 65,067.35

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.