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Finding the Fourth Proportional to 77,300.05, 115,816.91 and 60,426.49

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Solution

The fourth proportional to 77,300.05, 115,816.91 and 60,426.49 is: 90,535.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,300.05 : 115,816.91 = 60,426.49 : x
  2. Step 2: Convert to fraction form
    77,300.05/115,816.91 = 60,426.49/x
  3. Step 3: Cross multiply
    77,300.05x = 115,816.91 × 60,426.49
  4. Step 4: Simplify right side
    77,300.05x = 6,998,409,353.95
  5. Step 5: Solve for x
    x = 6,998,409,353.95/77,300.05
  6. Step 6: Final answer
    x = 90,535.64

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