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Finding the Fourth Proportional to 68,026.92, 93,879.28 and 41,174.34

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Solution

The fourth proportional to 68,026.92, 93,879.28 and 41,174.34 is: 56,821.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,026.92 : 93,879.28 = 41,174.34 : x
  2. Step 2: Convert to fraction form
    68,026.92/93,879.28 = 41,174.34/x
  3. Step 3: Cross multiply
    68,026.92x = 93,879.28 × 41,174.34
  4. Step 4: Simplify right side
    68,026.92x = 3,865,417,393.68
  5. Step 5: Solve for x
    x = 3,865,417,393.68/68,026.92
  6. Step 6: Final answer
    x = 56,821.88

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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.