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Finding the Fourth Proportional to 362,380.50, 543,667.23 and 125,722.80

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Solution

The fourth proportional to 362,380.50, 543,667.23 and 125,722.80 is: 188,617.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,380.50 : 543,667.23 = 125,722.80 : x
  2. Step 2: Convert to fraction form
    362,380.50/543,667.23 = 125,722.80/x
  3. Step 3: Cross multiply
    362,380.50x = 543,667.23 × 125,722.80
  4. Step 4: Simplify right side
    362,380.50x = 68,351,366,423.84
  5. Step 5: Solve for x
    x = 68,351,366,423.84/362,380.50
  6. Step 6: Final answer
    x = 188,617.67

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.