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Finding the Fourth Proportional to 143,815.11, 215,729.14 and 55,045.59

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Solution

The fourth proportional to 143,815.11, 215,729.14 and 55,045.59 is: 82,570.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,815.11 : 215,729.14 = 55,045.59 : x
  2. Step 2: Convert to fraction form
    143,815.11/215,729.14 = 55,045.59/x
  3. Step 3: Cross multiply
    143,815.11x = 215,729.14 × 55,045.59
  4. Step 4: Simplify right side
    143,815.11x = 11,874,936,575.23
  5. Step 5: Solve for x
    x = 11,874,936,575.23/143,815.11
  6. Step 6: Final answer
    x = 82,570.86

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