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Finding the Fourth Proportional to 78,903.72, 118,361.76 and 26,313.24

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Solution

The fourth proportional to 78,903.72, 118,361.76 and 26,313.24 is: 39,471.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,903.72 : 118,361.76 = 26,313.24 : x
  2. Step 2: Convert to fraction form
    78,903.72/118,361.76 = 26,313.24/x
  3. Step 3: Cross multiply
    78,903.72x = 118,361.76 × 26,313.24
  4. Step 4: Simplify right side
    78,903.72x = 3,114,481,397.70
  5. Step 5: Solve for x
    x = 3,114,481,397.70/78,903.72
  6. Step 6: Final answer
    x = 39,471.92

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