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Finding the Fourth Proportional to 185,324.44, 255,745.94 and 103,651.80

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Solution

The fourth proportional to 185,324.44, 255,745.94 and 103,651.80 is: 143,038.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,324.44 : 255,745.94 = 103,651.80 : x
  2. Step 2: Convert to fraction form
    185,324.44/255,745.94 = 103,651.80/x
  3. Step 3: Cross multiply
    185,324.44x = 255,745.94 × 103,651.80
  4. Step 4: Simplify right side
    185,324.44x = 26,508,527,023.69
  5. Step 5: Solve for x
    x = 26,508,527,023.69/185,324.44
  6. Step 6: Final answer
    x = 143,038.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.