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Finding the Fourth Proportional to 251,485.56, 347,193.54 and 166,717.44

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Solution

The fourth proportional to 251,485.56, 347,193.54 and 166,717.44 is: 230,165.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,485.56 : 347,193.54 = 166,717.44 : x
  2. Step 2: Convert to fraction form
    251,485.56/347,193.54 = 166,717.44/x
  3. Step 3: Cross multiply
    251,485.56x = 347,193.54 × 166,717.44
  4. Step 4: Simplify right side
    251,485.56x = 57,883,218,173.34
  5. Step 5: Solve for x
    x = 57,883,218,173.34/251,485.56
  6. Step 6: Final answer
    x = 230,165.18

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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.