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Finding the Fourth Proportional to 351,273.88, 526,912.19 and 85,033.96

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Solution

The fourth proportional to 351,273.88, 526,912.19 and 85,033.96 is: 127,551.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,273.88 : 526,912.19 = 85,033.96 : x
  2. Step 2: Convert to fraction form
    351,273.88/526,912.19 = 85,033.96/x
  3. Step 3: Cross multiply
    351,273.88x = 526,912.19 × 85,033.96
  4. Step 4: Simplify right side
    351,273.88x = 44,805,427,028.24
  5. Step 5: Solve for x
    x = 44,805,427,028.24/351,273.88
  6. Step 6: Final answer
    x = 127,551.26

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Why These Related Problems?

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