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Finding the Fourth Proportional to 115,653.12, 159,583.68 and 65,333.76

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Solution

The fourth proportional to 115,653.12, 159,583.68 and 65,333.76 is: 90,150.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,653.12 : 159,583.68 = 65,333.76 : x
  2. Step 2: Convert to fraction form
    115,653.12/159,583.68 = 65,333.76/x
  3. Step 3: Cross multiply
    115,653.12x = 159,583.68 × 65,333.76
  4. Step 4: Simplify right side
    115,653.12x = 10,426,201,849.04
  5. Step 5: Solve for x
    x = 10,426,201,849.04/115,653.12
  6. Step 6: Final answer
    x = 90,150.63

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