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Finding the Fourth Proportional to 273,431.60, 410,147.40 and 140,571.35

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Solution

The fourth proportional to 273,431.60, 410,147.40 and 140,571.35 is: 210,857.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,431.60 : 410,147.40 = 140,571.35 : x
  2. Step 2: Convert to fraction form
    273,431.60/410,147.40 = 140,571.35/x
  3. Step 3: Cross multiply
    273,431.60x = 410,147.40 × 140,571.35
  4. Step 4: Simplify right side
    273,431.60x = 57,654,973,716.99
  5. Step 5: Solve for x
    x = 57,654,973,716.99/273,431.60
  6. Step 6: Final answer
    x = 210,857.03

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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.