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Finding the Fourth Proportional to 58,965.73, 81,317.15 and 45,515.77

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Solution

The fourth proportional to 58,965.73, 81,317.15 and 45,515.77 is: 62,768.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,965.73 : 81,317.15 = 45,515.77 : x
  2. Step 2: Convert to fraction form
    58,965.73/81,317.15 = 45,515.77/x
  3. Step 3: Cross multiply
    58,965.73x = 81,317.15 × 45,515.77
  4. Step 4: Simplify right side
    58,965.73x = 3,701,212,468.88
  5. Step 5: Solve for x
    x = 3,701,212,468.88/58,965.73
  6. Step 6: Final answer
    x = 62,768.87

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