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Finding the Fourth Proportional to 212,673.25, 319,011.09 and 54,890.92

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Solution

The fourth proportional to 212,673.25, 319,011.09 and 54,890.92 is: 82,336.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,673.25 : 319,011.09 = 54,890.92 : x
  2. Step 2: Convert to fraction form
    212,673.25/319,011.09 = 54,890.92/x
  3. Step 3: Cross multiply
    212,673.25x = 319,011.09 × 54,890.92
  4. Step 4: Simplify right side
    212,673.25x = 17,510,812,220.30
  5. Step 5: Solve for x
    x = 17,510,812,220.30/212,673.25
  6. Step 6: Final answer
    x = 82,336.69

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