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Finding the Fourth Proportional to 68,089.05, 102,173.54 and 28,643.13

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Solution

The fourth proportional to 68,089.05, 102,173.54 and 28,643.13 is: 42,981.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,089.05 : 102,173.54 = 28,643.13 : x
  2. Step 2: Convert to fraction form
    68,089.05/102,173.54 = 28,643.13/x
  3. Step 3: Cross multiply
    68,089.05x = 102,173.54 × 28,643.13
  4. Step 4: Simplify right side
    68,089.05x = 2,926,569,845.56
  5. Step 5: Solve for x
    x = 2,926,569,845.56/68,089.05
  6. Step 6: Final answer
    x = 42,981.51

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