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Finding the Fourth Proportional to 362,169.81, 543,351.33 and 125,512.29

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Solution

The fourth proportional to 362,169.81, 543,351.33 and 125,512.29 is: 188,301.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,169.81 : 543,351.33 = 125,512.29 : x
  2. Step 2: Convert to fraction form
    362,169.81/543,351.33 = 125,512.29/x
  3. Step 3: Cross multiply
    362,169.81x = 543,351.33 × 125,512.29
  4. Step 4: Simplify right side
    362,169.81x = 68,197,269,702.85
  5. Step 5: Solve for x
    x = 68,197,269,702.85/362,169.81
  6. Step 6: Final answer
    x = 188,301.92

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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.