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Finding the Fourth Proportional to 133,649.49, 184,429.71 and 73,220.43

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Solution

The fourth proportional to 133,649.49, 184,429.71 and 73,220.43 is: 101,040.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,649.49 : 184,429.71 = 73,220.43 : x
  2. Step 2: Convert to fraction form
    133,649.49/184,429.71 = 73,220.43/x
  3. Step 3: Cross multiply
    133,649.49x = 184,429.71 × 73,220.43
  4. Step 4: Simplify right side
    133,649.49x = 13,504,022,670.98
  5. Step 5: Solve for x
    x = 13,504,022,670.98/133,649.49
  6. Step 6: Final answer
    x = 101,040.59

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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.