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Finding the Fourth Proportional to 142,611.40, 196,746.12 and 82,149.64

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Solution

The fourth proportional to 142,611.40, 196,746.12 and 82,149.64 is: 113,333.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,611.40 : 196,746.12 = 82,149.64 : x
  2. Step 2: Convert to fraction form
    142,611.40/196,746.12 = 82,149.64/x
  3. Step 3: Cross multiply
    142,611.40x = 196,746.12 × 82,149.64
  4. Step 4: Simplify right side
    142,611.40x = 16,162,622,929.40
  5. Step 5: Solve for x
    x = 16,162,622,929.40/142,611.40
  6. Step 6: Final answer
    x = 113,333.32

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