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Finding the Fourth Proportional to 96,428.16, 133,073.64 and 53,986.44

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Solution

The fourth proportional to 96,428.16, 133,073.64 and 53,986.44 is: 74,502.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,428.16 : 133,073.64 = 53,986.44 : x
  2. Step 2: Convert to fraction form
    96,428.16/133,073.64 = 53,986.44/x
  3. Step 3: Cross multiply
    96,428.16x = 133,073.64 × 53,986.44
  4. Step 4: Simplify right side
    96,428.16x = 7,184,172,081.44
  5. Step 5: Solve for x
    x = 7,184,172,081.44/96,428.16
  6. Step 6: Final answer
    x = 74,502.84

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