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Finding the Fourth Proportional to 106,560.78, 159,845.22 and 35,489.76

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Solution

The fourth proportional to 106,560.78, 159,845.22 and 35,489.76 is: 53,235.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,560.78 : 159,845.22 = 35,489.76 : x
  2. Step 2: Convert to fraction form
    106,560.78/159,845.22 = 35,489.76/x
  3. Step 3: Cross multiply
    106,560.78x = 159,845.22 × 35,489.76
  4. Step 4: Simplify right side
    106,560.78x = 5,672,868,494.95
  5. Step 5: Solve for x
    x = 5,672,868,494.95/106,560.78
  6. Step 6: Final answer
    x = 53,235.99

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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.