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Finding the Fourth Proportional to 64,611.76, 89,151.15 and 37,749.08

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Solution

The fourth proportional to 64,611.76, 89,151.15 and 37,749.08 is: 52,086.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,611.76 : 89,151.15 = 37,749.08 : x
  2. Step 2: Convert to fraction form
    64,611.76/89,151.15 = 37,749.08/x
  3. Step 3: Cross multiply
    64,611.76x = 89,151.15 × 37,749.08
  4. Step 4: Simplify right side
    64,611.76x = 3,365,373,447.69
  5. Step 5: Solve for x
    x = 3,365,373,447.69/64,611.76
  6. Step 6: Final answer
    x = 52,086.09

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