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Finding the Fourth Proportional to 88,348.56, 121,920.96 and 50,644.68

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Solution

The fourth proportional to 88,348.56, 121,920.96 and 50,644.68 is: 69,889.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,348.56 : 121,920.96 = 50,644.68 : x
  2. Step 2: Convert to fraction form
    88,348.56/121,920.96 = 50,644.68/x
  3. Step 3: Cross multiply
    88,348.56x = 121,920.96 × 50,644.68
  4. Step 4: Simplify right side
    88,348.56x = 6,174,648,004.49
  5. Step 5: Solve for x
    x = 6,174,648,004.49/88,348.56
  6. Step 6: Final answer
    x = 69,889.63

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