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Finding the Fourth Proportional to 101,883.44, 152,626.34 and 66,716.48

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Solution

The fourth proportional to 101,883.44, 152,626.34 and 66,716.48 is: 99,944.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,883.44 : 152,626.34 = 66,716.48 : x
  2. Step 2: Convert to fraction form
    101,883.44/152,626.34 = 66,716.48/x
  3. Step 3: Cross multiply
    101,883.44x = 152,626.34 × 66,716.48
  4. Step 4: Simplify right side
    101,883.44x = 10,182,691,063.37
  5. Step 5: Solve for x
    x = 10,182,691,063.37/101,883.44
  6. Step 6: Final answer
    x = 99,944.52

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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.