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Finding the Fourth Proportional to 66,211.64, 99,317.42 and 19,464.52

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Solution

The fourth proportional to 66,211.64, 99,317.42 and 19,464.52 is: 29,196.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,211.64 : 99,317.42 = 19,464.52 : x
  2. Step 2: Convert to fraction form
    66,211.64/99,317.42 = 19,464.52/x
  3. Step 3: Cross multiply
    66,211.64x = 99,317.42 × 19,464.52
  4. Step 4: Simplify right side
    66,211.64x = 1,933,165,907.94
  5. Step 5: Solve for x
    x = 1,933,165,907.94/66,211.64
  6. Step 6: Final answer
    x = 29,196.77

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