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Finding the Fourth Proportional to 93,815.20, 140,722.80 and 47,051.20

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Solution

The fourth proportional to 93,815.20, 140,722.80 and 47,051.20 is: 70,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,815.20 : 140,722.80 = 47,051.20 : x
  2. Step 2: Convert to fraction form
    93,815.20/140,722.80 = 47,051.20/x
  3. Step 3: Cross multiply
    93,815.20x = 140,722.80 × 47,051.20
  4. Step 4: Simplify right side
    93,815.20x = 6,621,176,607.36
  5. Step 5: Solve for x
    x = 6,621,176,607.36/93,815.20
  6. Step 6: Final answer
    x = 70,576.80

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