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Finding the Fourth Proportional to 115,653.15, 159,552.46 and 77,425.01

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Solution

The fourth proportional to 115,653.15, 159,552.46 and 77,425.01 is: 106,813.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,653.15 : 159,552.46 = 77,425.01 : x
  2. Step 2: Convert to fraction form
    115,653.15/159,552.46 = 77,425.01/x
  3. Step 3: Cross multiply
    115,653.15x = 159,552.46 × 77,425.01
  4. Step 4: Simplify right side
    115,653.15x = 12,353,350,013.26
  5. Step 5: Solve for x
    x = 12,353,350,013.26/115,653.15
  6. Step 6: Final answer
    x = 106,813.78

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