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Finding the Fourth Proportional to 109,004.94, 150,365.39 and 68,649.39

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Solution

The fourth proportional to 109,004.94, 150,365.39 and 68,649.39 is: 94,697.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,004.94 : 150,365.39 = 68,649.39 : x
  2. Step 2: Convert to fraction form
    109,004.94/150,365.39 = 68,649.39/x
  3. Step 3: Cross multiply
    109,004.94x = 150,365.39 × 68,649.39
  4. Step 4: Simplify right side
    109,004.94x = 10,322,491,957.37
  5. Step 5: Solve for x
    x = 10,322,491,957.37/109,004.94
  6. Step 6: Final answer
    x = 94,697.47

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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.