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Finding the Fourth Proportional to 253,104.48, 379,761.48 and 110,876.28

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Solution

The fourth proportional to 253,104.48, 379,761.48 and 110,876.28 is: 166,360.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,104.48 : 379,761.48 = 110,876.28 : x
  2. Step 2: Convert to fraction form
    253,104.48/379,761.48 = 110,876.28/x
  3. Step 3: Cross multiply
    253,104.48x = 379,761.48 × 110,876.28
  4. Step 4: Simplify right side
    253,104.48x = 42,106,540,189.69
  5. Step 5: Solve for x
    x = 42,106,540,189.69/253,104.48
  6. Step 6: Final answer
    x = 166,360.31

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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.