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Finding the Fourth Proportional to 181,229.40, 271,844.10 and 118,243.80

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Solution

The fourth proportional to 181,229.40, 271,844.10 and 118,243.80 is: 177,365.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,229.40 : 271,844.10 = 118,243.80 : x
  2. Step 2: Convert to fraction form
    181,229.40/271,844.10 = 118,243.80/x
  3. Step 3: Cross multiply
    181,229.40x = 271,844.10 × 118,243.80
  4. Step 4: Simplify right side
    181,229.40x = 32,143,879,391.58
  5. Step 5: Solve for x
    x = 32,143,879,391.58/181,229.40
  6. Step 6: Final answer
    x = 177,365.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.