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Finding the Fourth Proportional to 273,403.34, 410,126.46 and 73,720.70

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Solution

The fourth proportional to 273,403.34, 410,126.46 and 73,720.70 is: 110,586.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,403.34 : 410,126.46 = 73,720.70 : x
  2. Step 2: Convert to fraction form
    273,403.34/410,126.46 = 73,720.70/x
  3. Step 3: Cross multiply
    273,403.34x = 410,126.46 × 73,720.70
  4. Step 4: Simplify right side
    273,403.34x = 30,234,809,719.72
  5. Step 5: Solve for x
    x = 30,234,809,719.72/273,403.34
  6. Step 6: Final answer
    x = 110,586.83

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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.