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Finding the Fourth Proportional to 163,906.80, 226,108.44 and 95,879.28

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Solution

The fourth proportional to 163,906.80, 226,108.44 and 95,879.28 is: 132,264.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,906.80 : 226,108.44 = 95,879.28 : x
  2. Step 2: Convert to fraction form
    163,906.80/226,108.44 = 95,879.28/x
  3. Step 3: Cross multiply
    163,906.80x = 226,108.44 × 95,879.28
  4. Step 4: Simplify right side
    163,906.80x = 21,679,114,429.12
  5. Step 5: Solve for x
    x = 21,679,114,429.12/163,906.80
  6. Step 6: Final answer
    x = 132,264.89

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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.