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Finding the Fourth Proportional to 108,486.96, 149,606.64 and 84,604.92

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Solution

The fourth proportional to 108,486.96, 149,606.64 and 84,604.92 is: 116,672.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,486.96 : 149,606.64 = 84,604.92 : x
  2. Step 2: Convert to fraction form
    108,486.96/149,606.64 = 84,604.92/x
  3. Step 3: Cross multiply
    108,486.96x = 149,606.64 × 84,604.92
  4. Step 4: Simplify right side
    108,486.96x = 12,657,457,808.67
  5. Step 5: Solve for x
    x = 12,657,457,808.67/108,486.96
  6. Step 6: Final answer
    x = 116,672.62

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