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Finding the Fourth Proportional to 108,664.20, 162,737.10 and 53,195.40

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Solution

The fourth proportional to 108,664.20, 162,737.10 and 53,195.40 is: 79,666.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,664.20 : 162,737.10 = 53,195.40 : x
  2. Step 2: Convert to fraction form
    108,664.20/162,737.10 = 53,195.40/x
  3. Step 3: Cross multiply
    108,664.20x = 162,737.10 × 53,195.40
  4. Step 4: Simplify right side
    108,664.20x = 8,656,865,129.34
  5. Step 5: Solve for x
    x = 8,656,865,129.34/108,664.20
  6. Step 6: Final answer
    x = 79,666.21

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