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Finding the Fourth Proportional to 108,704.49, 150,013.74 and 65,678.01

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Solution

The fourth proportional to 108,704.49, 150,013.74 and 65,678.01 is: 90,636.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,704.49 : 150,013.74 = 65,678.01 : x
  2. Step 2: Convert to fraction form
    108,704.49/150,013.74 = 65,678.01/x
  3. Step 3: Cross multiply
    108,704.49x = 150,013.74 × 65,678.01
  4. Step 4: Simplify right side
    108,704.49x = 9,852,603,915.86
  5. Step 5: Solve for x
    x = 9,852,603,915.86/108,704.49
  6. Step 6: Final answer
    x = 90,636.59

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