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Finding the Fourth Proportional to 133,472.70, 184,190.73 and 73,042.74

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Solution

The fourth proportional to 133,472.70, 184,190.73 and 73,042.74 is: 100,798.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,472.70 : 184,190.73 = 73,042.74 : x
  2. Step 2: Convert to fraction form
    133,472.70/184,190.73 = 73,042.74/x
  3. Step 3: Cross multiply
    133,472.70x = 184,190.73 × 73,042.74
  4. Step 4: Simplify right side
    133,472.70x = 13,453,795,601.80
  5. Step 5: Solve for x
    x = 13,453,795,601.80/133,472.70
  6. Step 6: Final answer
    x = 100,798.11

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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.