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Finding the Fourth Proportional to 181,705.28, 250,735.92 and 133,984.48

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Solution

The fourth proportional to 181,705.28, 250,735.92 and 133,984.48 is: 184,885.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,705.28 : 250,735.92 = 133,984.48 : x
  2. Step 2: Convert to fraction form
    181,705.28/250,735.92 = 133,984.48/x
  3. Step 3: Cross multiply
    181,705.28x = 250,735.92 × 133,984.48
  4. Step 4: Simplify right side
    181,705.28x = 33,594,721,858.52
  5. Step 5: Solve for x
    x = 33,594,721,858.52/181,705.28
  6. Step 6: Final answer
    x = 184,885.78

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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.