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Finding the Fourth Proportional to 212,718.99, 319,053.78 and 54,935.04

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Solution

The fourth proportional to 212,718.99, 319,053.78 and 54,935.04 is: 82,396.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,718.99 : 319,053.78 = 54,935.04 : x
  2. Step 2: Convert to fraction form
    212,718.99/319,053.78 = 54,935.04/x
  3. Step 3: Cross multiply
    212,718.99x = 319,053.78 × 54,935.04
  4. Step 4: Simplify right side
    212,718.99x = 17,527,232,166.45
  5. Step 5: Solve for x
    x = 17,527,232,166.45/212,718.99
  6. Step 6: Final answer
    x = 82,396.18

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