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Finding the Fourth Proportional to 113,912.80, 170,871.92 and 35,027.76

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Solution

The fourth proportional to 113,912.80, 170,871.92 and 35,027.76 is: 52,542.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,912.80 : 170,871.92 = 35,027.76 : x
  2. Step 2: Convert to fraction form
    113,912.80/170,871.92 = 35,027.76/x
  3. Step 3: Cross multiply
    113,912.80x = 170,871.92 × 35,027.76
  4. Step 4: Simplify right side
    113,912.80x = 5,985,260,604.50
  5. Step 5: Solve for x
    x = 5,985,260,604.50/113,912.80
  6. Step 6: Final answer
    x = 52,542.48

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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.