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Finding the Fourth Proportional to 104,640.74, 144,408.41 and 59,324.27

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Solution

The fourth proportional to 104,640.74, 144,408.41 and 59,324.27 is: 81,869.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,640.74 : 144,408.41 = 59,324.27 : x
  2. Step 2: Convert to fraction form
    104,640.74/144,408.41 = 59,324.27/x
  3. Step 3: Cross multiply
    104,640.74x = 144,408.41 × 59,324.27
  4. Step 4: Simplify right side
    104,640.74x = 8,566,923,843.93
  5. Step 5: Solve for x
    x = 8,566,923,843.93/104,640.74
  6. Step 6: Final answer
    x = 81,869.87

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1.5x scale

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.