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Finding the Fourth Proportional to 80,707.75, 121,081.07 and 25,303.75

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Solution

The fourth proportional to 80,707.75, 121,081.07 and 25,303.75 is: 37,961.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,707.75 : 121,081.07 = 25,303.75 : x
  2. Step 2: Convert to fraction form
    80,707.75/121,081.07 = 25,303.75/x
  3. Step 3: Cross multiply
    80,707.75x = 121,081.07 × 25,303.75
  4. Step 4: Simplify right side
    80,707.75x = 3,063,805,125.01
  5. Step 5: Solve for x
    x = 3,063,805,125.01/80,707.75
  6. Step 6: Final answer
    x = 37,961.72

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