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Finding the Fourth Proportional to 167,790.30, 251,685.45 and 159,042.30

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Solution

The fourth proportional to 167,790.30, 251,685.45 and 159,042.30 is: 238,563.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,790.30 : 251,685.45 = 159,042.30 : x
  2. Step 2: Convert to fraction form
    167,790.30/251,685.45 = 159,042.30/x
  3. Step 3: Cross multiply
    167,790.30x = 251,685.45 × 159,042.30
  4. Step 4: Simplify right side
    167,790.30x = 40,028,632,844.54
  5. Step 5: Solve for x
    x = 40,028,632,844.54/167,790.30
  6. Step 6: Final answer
    x = 238,563.45

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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.