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Finding the Fourth Proportional to 61,709.72, 85,159.27 and 33,415.41

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Solution

The fourth proportional to 61,709.72, 85,159.27 and 33,415.41 is: 46,113.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,709.72 : 85,159.27 = 33,415.41 : x
  2. Step 2: Convert to fraction form
    61,709.72/85,159.27 = 33,415.41/x
  3. Step 3: Cross multiply
    61,709.72x = 85,159.27 × 33,415.41
  4. Step 4: Simplify right side
    61,709.72x = 2,845,631,964.12
  5. Step 5: Solve for x
    x = 2,845,631,964.12/61,709.72
  6. Step 6: Final answer
    x = 46,113.19

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