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Finding the Fourth Proportional to 107,796.76, 161,755.28 and 44,663.54

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Solution

The fourth proportional to 107,796.76, 161,755.28 and 44,663.54 is: 67,020.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,796.76 : 161,755.28 = 44,663.54 : x
  2. Step 2: Convert to fraction form
    107,796.76/161,755.28 = 44,663.54/x
  3. Step 3: Cross multiply
    107,796.76x = 161,755.28 × 44,663.54
  4. Step 4: Simplify right side
    107,796.76x = 7,224,562,553.89
  5. Step 5: Solve for x
    x = 7,224,562,553.89/107,796.76
  6. Step 6: Final answer
    x = 67,020.22

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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.