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Finding the Fourth Proportional to 362,161.58, 543,338.95 and 125,504.03

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Solution

The fourth proportional to 362,161.58, 543,338.95 and 125,504.03 is: 188,289.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,161.58 : 543,338.95 = 125,504.03 : x
  2. Step 2: Convert to fraction form
    362,161.58/543,338.95 = 125,504.03/x
  3. Step 3: Cross multiply
    362,161.58x = 543,338.95 × 125,504.03
  4. Step 4: Simplify right side
    362,161.58x = 68,191,224,850.51
  5. Step 5: Solve for x
    x = 68,191,224,850.51/362,161.58
  6. Step 6: Final answer
    x = 188,289.51

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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.