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Finding the Fourth Proportional to 133,940.84, 184,838.72 and 73,511.96

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Solution

The fourth proportional to 133,940.84, 184,838.72 and 73,511.96 is: 101,446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,940.84 : 184,838.72 = 73,511.96 : x
  2. Step 2: Convert to fraction form
    133,940.84/184,838.72 = 73,511.96/x
  3. Step 3: Cross multiply
    133,940.84x = 184,838.72 × 73,511.96
  4. Step 4: Simplify right side
    133,940.84x = 13,587,856,591.09
  5. Step 5: Solve for x
    x = 13,587,856,591.09/133,940.84
  6. Step 6: Final answer
    x = 101,446.70

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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.