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Finding the Fourth Proportional to 136,145.16, 204,066.41 and 102,756.96

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Solution

The fourth proportional to 136,145.16, 204,066.41 and 102,756.96 is: 154,021.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,145.16 : 204,066.41 = 102,756.96 : x
  2. Step 2: Convert to fraction form
    136,145.16/204,066.41 = 102,756.96/x
  3. Step 3: Cross multiply
    136,145.16x = 204,066.41 × 102,756.96
  4. Step 4: Simplify right side
    136,145.16x = 20,969,243,415.93
  5. Step 5: Solve for x
    x = 20,969,243,415.93/136,145.16
  6. Step 6: Final answer
    x = 154,021.22

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