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Finding the Fourth Proportional to 275,745.72, 413,685.09 and 95,804.94

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Solution

The fourth proportional to 275,745.72, 413,685.09 and 95,804.94 is: 143,730.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,745.72 : 413,685.09 = 95,804.94 : x
  2. Step 2: Convert to fraction form
    275,745.72/413,685.09 = 95,804.94/x
  3. Step 3: Cross multiply
    275,745.72x = 413,685.09 × 95,804.94
  4. Step 4: Simplify right side
    275,745.72x = 39,633,075,226.34
  5. Step 5: Solve for x
    x = 39,633,075,226.34/275,745.72
  6. Step 6: Final answer
    x = 143,730.52

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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.