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Finding the Fourth Proportional to 101,103.70, 151,659.42 and 26,221.88

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Solution

The fourth proportional to 101,103.70, 151,659.42 and 26,221.88 is: 39,333.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,103.70 : 151,659.42 = 26,221.88 : x
  2. Step 2: Convert to fraction form
    101,103.70/151,659.42 = 26,221.88/x
  3. Step 3: Cross multiply
    101,103.70x = 151,659.42 × 26,221.88
  4. Step 4: Simplify right side
    101,103.70x = 3,976,795,112.11
  5. Step 5: Solve for x
    x = 3,976,795,112.11/101,103.70
  6. Step 6: Final answer
    x = 39,333.82

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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.