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Finding the Fourth Proportional to 110,739.31, 166,135.39 and 35,859.53

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Solution

The fourth proportional to 110,739.31, 166,135.39 and 35,859.53 is: 53,797.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,739.31 : 166,135.39 = 35,859.53 : x
  2. Step 2: Convert to fraction form
    110,739.31/166,135.39 = 35,859.53/x
  3. Step 3: Cross multiply
    110,739.31x = 166,135.39 × 35,859.53
  4. Step 4: Simplify right side
    110,739.31x = 5,957,537,327.46
  5. Step 5: Solve for x
    x = 5,957,537,327.46/110,739.31
  6. Step 6: Final answer
    x = 53,797.86

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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.