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Finding the Fourth Proportional to 135,745.14, 203,609.40 and 60,845.16

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Solution

The fourth proportional to 135,745.14, 203,609.40 and 60,845.16 is: 91,264.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,745.14 : 203,609.40 = 60,845.16 : x
  2. Step 2: Convert to fraction form
    135,745.14/203,609.40 = 60,845.16/x
  3. Step 3: Cross multiply
    135,745.14x = 203,609.40 × 60,845.16
  4. Step 4: Simplify right side
    135,745.14x = 12,388,646,520.50
  5. Step 5: Solve for x
    x = 12,388,646,520.50/135,745.14
  6. Step 6: Final answer
    x = 91,264.02

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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.