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Finding the Fourth Proportional to 64,969.49, 97,468.80 and 20,598.91

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Solution

The fourth proportional to 64,969.49, 97,468.80 and 20,598.91 is: 30,902.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,969.49 : 97,468.80 = 20,598.91 : x
  2. Step 2: Convert to fraction form
    64,969.49/97,468.80 = 20,598.91/x
  3. Step 3: Cross multiply
    64,969.49x = 97,468.80 × 20,598.91
  4. Step 4: Simplify right side
    64,969.49x = 2,007,751,039.01
  5. Step 5: Solve for x
    x = 2,007,751,039.01/64,969.49
  6. Step 6: Final answer
    x = 30,902.98

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