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Finding the Fourth Proportional to 135,603.68, 203,419.01 and 50,237.37

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Solution

The fourth proportional to 135,603.68, 203,419.01 and 50,237.37 is: 75,361.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,603.68 : 203,419.01 = 50,237.37 : x
  2. Step 2: Convert to fraction form
    135,603.68/203,419.01 = 50,237.37/x
  3. Step 3: Cross multiply
    135,603.68x = 203,419.01 × 50,237.37
  4. Step 4: Simplify right side
    135,603.68x = 10,219,235,819.22
  5. Step 5: Solve for x
    x = 10,219,235,819.22/135,603.68
  6. Step 6: Final answer
    x = 75,361.05

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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.