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Finding the Fourth Proportional to 103,965.21, 143,468.76 and 58,642.53

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Solution

The fourth proportional to 103,965.21, 143,468.76 and 58,642.53 is: 80,924.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,965.21 : 143,468.76 = 58,642.53 : x
  2. Step 2: Convert to fraction form
    103,965.21/143,468.76 = 58,642.53/x
  3. Step 3: Cross multiply
    103,965.21x = 143,468.76 × 58,642.53
  4. Step 4: Simplify right side
    103,965.21x = 8,413,371,062.36
  5. Step 5: Solve for x
    x = 8,413,371,062.36/103,965.21
  6. Step 6: Final answer
    x = 80,924.87

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