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Finding the Fourth Proportional to 133,658.50, 184,448.72 and 73,231.43

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Solution

The fourth proportional to 133,658.50, 184,448.72 and 73,231.43 is: 101,059.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,658.50 : 184,448.72 = 73,231.43 : x
  2. Step 2: Convert to fraction form
    133,658.50/184,448.72 = 73,231.43/x
  3. Step 3: Cross multiply
    133,658.50x = 184,448.72 × 73,231.43
  4. Step 4: Simplify right side
    133,658.50x = 13,507,443,710.35
  5. Step 5: Solve for x
    x = 13,507,443,710.35/133,658.50
  6. Step 6: Final answer
    x = 101,059.37

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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.