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Finding the Fourth Proportional to 45,918.70, 68,780.85 and 36,004.30

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Solution

The fourth proportional to 45,918.70, 68,780.85 and 36,004.30 is: 53,930.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,918.70 : 68,780.85 = 36,004.30 : x
  2. Step 2: Convert to fraction form
    45,918.70/68,780.85 = 36,004.30/x
  3. Step 3: Cross multiply
    45,918.70x = 68,780.85 × 36,004.30
  4. Step 4: Simplify right side
    45,918.70x = 2,476,406,357.66
  5. Step 5: Solve for x
    x = 2,476,406,357.66/45,918.70
  6. Step 6: Final answer
    x = 53,930.24

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