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Finding the Fourth Proportional to 55,110.54, 82,664.73 and 18,174.54

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Solution

The fourth proportional to 55,110.54, 82,664.73 and 18,174.54 is: 27,261.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,110.54 : 82,664.73 = 18,174.54 : x
  2. Step 2: Convert to fraction form
    55,110.54/82,664.73 = 18,174.54/x
  3. Step 3: Cross multiply
    55,110.54x = 82,664.73 × 18,174.54
  4. Step 4: Simplify right side
    55,110.54x = 1,502,393,441.97
  5. Step 5: Solve for x
    x = 1,502,393,441.97/55,110.54
  6. Step 6: Final answer
    x = 27,261.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.