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Finding the Fourth Proportional to 190,956.52, 263,303.78 and 121,955.30

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Solution

The fourth proportional to 190,956.52, 263,303.78 and 121,955.30 is: 168,160.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,956.52 : 263,303.78 = 121,955.30 : x
  2. Step 2: Convert to fraction form
    190,956.52/263,303.78 = 121,955.30/x
  3. Step 3: Cross multiply
    190,956.52x = 263,303.78 × 121,955.30
  4. Step 4: Simplify right side
    190,956.52x = 32,111,289,554.74
  5. Step 5: Solve for x
    x = 32,111,289,554.74/190,956.52
  6. Step 6: Final answer
    x = 168,160.22

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