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Finding the Fourth Proportional to 64,966.20, 97,334.10 and 40,313.40

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Solution

The fourth proportional to 64,966.20, 97,334.10 and 40,313.40 is: 60,398.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,966.20 : 97,334.10 = 40,313.40 : x
  2. Step 2: Convert to fraction form
    64,966.20/97,334.10 = 40,313.40/x
  3. Step 3: Cross multiply
    64,966.20x = 97,334.10 × 40,313.40
  4. Step 4: Simplify right side
    64,966.20x = 3,923,868,506.94
  5. Step 5: Solve for x
    x = 3,923,868,506.94/64,966.20
  6. Step 6: Final answer
    x = 60,398.62

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