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Finding the Fourth Proportional to 368,351.75, 552,739.49 and 155,102.85

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Solution

The fourth proportional to 368,351.75, 552,739.49 and 155,102.85 is: 232,743.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,351.75 : 552,739.49 = 155,102.85 : x
  2. Step 2: Convert to fraction form
    368,351.75/552,739.49 = 155,102.85/x
  3. Step 3: Cross multiply
    368,351.75x = 552,739.49 × 155,102.85
  4. Step 4: Simplify right side
    368,351.75x = 85,731,466,667.33
  5. Step 5: Solve for x
    x = 85,731,466,667.33/368,351.75
  6. Step 6: Final answer
    x = 232,743.48

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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.