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Finding the Fourth Proportional to 108,632.70, 162,851.85 and 71,210.70

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Solution

The fourth proportional to 108,632.70, 162,851.85 and 71,210.70 is: 106,752.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,632.70 : 162,851.85 = 71,210.70 : x
  2. Step 2: Convert to fraction form
    108,632.70/162,851.85 = 71,210.70/x
  3. Step 3: Cross multiply
    108,632.70x = 162,851.85 × 71,210.70
  4. Step 4: Simplify right side
    108,632.70x = 11,596,794,234.80
  5. Step 5: Solve for x
    x = 11,596,794,234.80/108,632.70
  6. Step 6: Final answer
    x = 106,752.33

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