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Finding the Fourth Proportional to 93,287.16, 128,739.75 and 53,007.75

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Solution

The fourth proportional to 93,287.16, 128,739.75 and 53,007.75 is: 73,152.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,287.16 : 128,739.75 = 53,007.75 : x
  2. Step 2: Convert to fraction form
    93,287.16/128,739.75 = 53,007.75/x
  3. Step 3: Cross multiply
    93,287.16x = 128,739.75 × 53,007.75
  4. Step 4: Simplify right side
    93,287.16x = 6,824,204,483.06
  5. Step 5: Solve for x
    x = 6,824,204,483.06/93,287.16
  6. Step 6: Final answer
    x = 73,152.67

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