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Finding the Fourth Proportional to 65,443.64, 98,165.48 and 18,696.51

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Solution

The fourth proportional to 65,443.64, 98,165.48 and 18,696.51 is: 28,044.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,443.64 : 98,165.48 = 18,696.51 : x
  2. Step 2: Convert to fraction form
    65,443.64/98,165.48 = 18,696.51/x
  3. Step 3: Cross multiply
    65,443.64x = 98,165.48 × 18,696.51
  4. Step 4: Simplify right side
    65,443.64x = 1,835,351,784.99
  5. Step 5: Solve for x
    x = 1,835,351,784.99/65,443.64
  6. Step 6: Final answer
    x = 28,044.77

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