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Finding the Fourth Proportional to 179,745.62, 269,618.53 and 61,418.12

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Solution

The fourth proportional to 179,745.62, 269,618.53 and 61,418.12 is: 92,127.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,745.62 : 269,618.53 = 61,418.12 : x
  2. Step 2: Convert to fraction form
    179,745.62/269,618.53 = 61,418.12/x
  3. Step 3: Cross multiply
    179,745.62x = 269,618.53 × 61,418.12
  4. Step 4: Simplify right side
    179,745.62x = 16,559,463,596.72
  5. Step 5: Solve for x
    x = 16,559,463,596.72/179,745.62
  6. Step 6: Final answer
    x = 92,127.21

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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.