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Finding the Fourth Proportional to 79,649.48, 109,915.43 and 43,838.72

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Solution

The fourth proportional to 79,649.48, 109,915.43 and 43,838.72 is: 60,496.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,649.48 : 109,915.43 = 43,838.72 : x
  2. Step 2: Convert to fraction form
    79,649.48/109,915.43 = 43,838.72/x
  3. Step 3: Cross multiply
    79,649.48x = 109,915.43 × 43,838.72
  4. Step 4: Simplify right side
    79,649.48x = 4,818,551,704.65
  5. Step 5: Solve for x
    x = 4,818,551,704.65/79,649.48
  6. Step 6: Final answer
    x = 60,496.96

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