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Finding the Fourth Proportional to 236,738.84, 355,217.81 and 103,601.57

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Solution

The fourth proportional to 236,738.84, 355,217.81 and 103,601.57 is: 155,450.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,738.84 : 355,217.81 = 103,601.57 : x
  2. Step 2: Convert to fraction form
    236,738.84/355,217.81 = 103,601.57/x
  3. Step 3: Cross multiply
    236,738.84x = 355,217.81 × 103,601.57
  4. Step 4: Simplify right side
    236,738.84x = 36,801,120,513.86
  5. Step 5: Solve for x
    x = 36,801,120,513.86/236,738.84
  6. Step 6: Final answer
    x = 155,450.29

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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.