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Finding the Fourth Proportional to 117,659.07, 176,489.10 and 28,912.59

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Solution

The fourth proportional to 117,659.07, 176,489.10 and 28,912.59 is: 43,369.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,659.07 : 176,489.10 = 28,912.59 : x
  2. Step 2: Convert to fraction form
    117,659.07/176,489.10 = 28,912.59/x
  3. Step 3: Cross multiply
    117,659.07x = 176,489.10 × 28,912.59
  4. Step 4: Simplify right side
    117,659.07x = 5,102,756,987.77
  5. Step 5: Solve for x
    x = 5,102,756,987.77/117,659.07
  6. Step 6: Final answer
    x = 43,369.01

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