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Finding the Fourth Proportional to 93,266.80, 139,900.20 and 51,276.40

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Solution

The fourth proportional to 93,266.80, 139,900.20 and 51,276.40 is: 76,914.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,266.80 : 139,900.20 = 51,276.40 : x
  2. Step 2: Convert to fraction form
    93,266.80/139,900.20 = 51,276.40/x
  3. Step 3: Cross multiply
    93,266.80x = 139,900.20 × 51,276.40
  4. Step 4: Simplify right side
    93,266.80x = 7,173,578,615.28
  5. Step 5: Solve for x
    x = 7,173,578,615.28/93,266.80
  6. Step 6: Final answer
    x = 76,914.60

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