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Finding the Fourth Proportional to 58,738.40, 88,121.28 and 17,188.64

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Solution

The fourth proportional to 58,738.40, 88,121.28 and 17,188.64 is: 25,786.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,738.40 : 88,121.28 = 17,188.64 : x
  2. Step 2: Convert to fraction form
    58,738.40/88,121.28 = 17,188.64/x
  3. Step 3: Cross multiply
    58,738.40x = 88,121.28 × 17,188.64
  4. Step 4: Simplify right side
    58,738.40x = 1,514,684,958.26
  5. Step 5: Solve for x
    x = 1,514,684,958.26/58,738.40
  6. Step 6: Final answer
    x = 25,786.96

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