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Finding the Fourth Proportional to 107,883.67, 161,825.27 and 28,997.90

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Solution

The fourth proportional to 107,883.67, 161,825.27 and 28,997.90 is: 43,496.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,883.67 : 161,825.27 = 28,997.90 : x
  2. Step 2: Convert to fraction form
    107,883.67/161,825.27 = 28,997.90/x
  3. Step 3: Cross multiply
    107,883.67x = 161,825.27 × 28,997.90
  4. Step 4: Simplify right side
    107,883.67x = 4,692,592,996.93
  5. Step 5: Solve for x
    x = 4,692,592,996.93/107,883.67
  6. Step 6: Final answer
    x = 43,496.79

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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.