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Finding the Fourth Proportional to 133,762.72, 184,611.34 and 82,791.79

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Solution

The fourth proportional to 133,762.72, 184,611.34 and 82,791.79 is: 114,264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,762.72 : 184,611.34 = 82,791.79 : x
  2. Step 2: Convert to fraction form
    133,762.72/184,611.34 = 82,791.79/x
  3. Step 3: Cross multiply
    133,762.72x = 184,611.34 × 82,791.79
  4. Step 4: Simplify right side
    133,762.72x = 15,284,303,292.90
  5. Step 5: Solve for x
    x = 15,284,303,292.90/133,762.72
  6. Step 6: Final answer
    x = 114,264.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.