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Finding the Fourth Proportional to 151,847.87, 209,546.01 and 83,863.37

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Solution

The fourth proportional to 151,847.87, 209,546.01 and 83,863.37 is: 115,729.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,847.87 : 209,546.01 = 83,863.37 : x
  2. Step 2: Convert to fraction form
    151,847.87/209,546.01 = 83,863.37/x
  3. Step 3: Cross multiply
    151,847.87x = 209,546.01 × 83,863.37
  4. Step 4: Simplify right side
    151,847.87x = 17,573,235,092.52
  5. Step 5: Solve for x
    x = 17,573,235,092.52/151,847.87
  6. Step 6: Final answer
    x = 115,729.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.