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Finding the Fourth Proportional to 93,659.13, 129,250.62 and 51,216.75

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Solution

The fourth proportional to 93,659.13, 129,250.62 and 51,216.75 is: 70,679.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,659.13 : 129,250.62 = 51,216.75 : x
  2. Step 2: Convert to fraction form
    93,659.13/129,250.62 = 51,216.75/x
  3. Step 3: Cross multiply
    93,659.13x = 129,250.62 × 51,216.75
  4. Step 4: Simplify right side
    93,659.13x = 6,619,796,691.89
  5. Step 5: Solve for x
    x = 6,619,796,691.89/93,659.13
  6. Step 6: Final answer
    x = 70,679.67

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