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Finding the Fourth Proportional to 171,371.44, 257,101.52 and 100,354.09

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Solution

The fourth proportional to 171,371.44, 257,101.52 and 100,354.09 is: 150,557.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,371.44 : 257,101.52 = 100,354.09 : x
  2. Step 2: Convert to fraction form
    171,371.44/257,101.52 = 100,354.09/x
  3. Step 3: Cross multiply
    171,371.44x = 257,101.52 × 100,354.09
  4. Step 4: Simplify right side
    171,371.44x = 25,801,189,077.22
  5. Step 5: Solve for x
    x = 25,801,189,077.22/171,371.44
  6. Step 6: Final answer
    x = 150,557.11

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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.