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Finding the Fourth Proportional to 321,837.40, 482,928.90 and 134,867.80

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Solution

The fourth proportional to 321,837.40, 482,928.90 and 134,867.80 is: 202,374.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,837.40 : 482,928.90 = 134,867.80 : x
  2. Step 2: Convert to fraction form
    321,837.40/482,928.90 = 134,867.80/x
  3. Step 3: Cross multiply
    321,837.40x = 482,928.90 × 134,867.80
  4. Step 4: Simplify right side
    321,837.40x = 65,131,558,299.42
  5. Step 5: Solve for x
    x = 65,131,558,299.42/321,837.40
  6. Step 6: Final answer
    x = 202,374.11

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