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Finding the Fourth Proportional to 55,919.86, 77,143.98 and 33,245.99

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Solution

The fourth proportional to 55,919.86, 77,143.98 and 33,245.99 is: 45,864.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,919.86 : 77,143.98 = 33,245.99 : x
  2. Step 2: Convert to fraction form
    55,919.86/77,143.98 = 33,245.99/x
  3. Step 3: Cross multiply
    55,919.86x = 77,143.98 × 33,245.99
  4. Step 4: Simplify right side
    55,919.86x = 2,564,727,821.41
  5. Step 5: Solve for x
    x = 2,564,727,821.41/55,919.86
  6. Step 6: Final answer
    x = 45,864.35

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