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Finding the Fourth Proportional to 117,008.40, 175,512.60 and 87,632.40

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Solution

The fourth proportional to 117,008.40, 175,512.60 and 87,632.40 is: 131,448.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,008.40 : 175,512.60 = 87,632.40 : x
  2. Step 2: Convert to fraction form
    117,008.40/175,512.60 = 87,632.40/x
  3. Step 3: Cross multiply
    117,008.40x = 175,512.60 × 87,632.40
  4. Step 4: Simplify right side
    117,008.40x = 15,380,590,368.24
  5. Step 5: Solve for x
    x = 15,380,590,368.24/117,008.40
  6. Step 6: Final answer
    x = 131,448.60

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