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Finding the Fourth Proportional to 335,108.54, 503,020.94 and 135,559.37

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Solution

The fourth proportional to 335,108.54, 503,020.94 and 135,559.37 is: 203,483.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,108.54 : 503,020.94 = 135,559.37 : x
  2. Step 2: Convert to fraction form
    335,108.54/503,020.94 = 135,559.37/x
  3. Step 3: Cross multiply
    335,108.54x = 503,020.94 × 135,559.37
  4. Step 4: Simplify right side
    335,108.54x = 68,189,202,302.96
  5. Step 5: Solve for x
    x = 68,189,202,302.96/335,108.54
  6. Step 6: Final answer
    x = 203,483.93

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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.