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Finding the Fourth Proportional to 133,643.67, 184,418.55 and 73,204.53

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Solution

The fourth proportional to 133,643.67, 184,418.55 and 73,204.53 is: 101,016.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,643.67 : 184,418.55 = 73,204.53 : x
  2. Step 2: Convert to fraction form
    133,643.67/184,418.55 = 73,204.53/x
  3. Step 3: Cross multiply
    133,643.67x = 184,418.55 × 73,204.53
  4. Step 4: Simplify right side
    133,643.67x = 13,500,273,276.03
  5. Step 5: Solve for x
    x = 13,500,273,276.03/133,643.67
  6. Step 6: Final answer
    x = 101,016.93

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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.