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Finding the Fourth Proportional to 188,503.47, 260,128.19 and 103,619.93

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Solution

The fourth proportional to 188,503.47, 260,128.19 and 103,619.93 is: 142,991.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,503.47 : 260,128.19 = 103,619.93 : x
  2. Step 2: Convert to fraction form
    188,503.47/260,128.19 = 103,619.93/x
  3. Step 3: Cross multiply
    188,503.47x = 260,128.19 × 103,619.93
  4. Step 4: Simplify right side
    188,503.47x = 26,954,463,797.24
  5. Step 5: Solve for x
    x = 26,954,463,797.24/188,503.47
  6. Step 6: Final answer
    x = 142,991.87

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