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Finding the Fourth Proportional to 160,576.54, 241,085.94 and 81,745.72

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Solution

The fourth proportional to 160,576.54, 241,085.94 and 81,745.72 is: 122,731.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,576.54 : 241,085.94 = 81,745.72 : x
  2. Step 2: Convert to fraction form
    160,576.54/241,085.94 = 81,745.72/x
  3. Step 3: Cross multiply
    160,576.54x = 241,085.94 × 81,745.72
  4. Step 4: Simplify right side
    160,576.54x = 19,707,743,747.18
  5. Step 5: Solve for x
    x = 19,707,743,747.18/160,576.54
  6. Step 6: Final answer
    x = 122,731.15

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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.