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Finding the Fourth Proportional to 259,059.56, 388,026.88 and 125,659.44

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Solution

The fourth proportional to 259,059.56, 388,026.88 and 125,659.44 is: 188,216.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,059.56 : 388,026.88 = 125,659.44 : x
  2. Step 2: Convert to fraction form
    259,059.56/388,026.88 = 125,659.44/x
  3. Step 3: Cross multiply
    259,059.56x = 388,026.88 × 125,659.44
  4. Step 4: Simplify right side
    259,059.56x = 48,759,240,445.75
  5. Step 5: Solve for x
    x = 48,759,240,445.75/259,059.56
  6. Step 6: Final answer
    x = 188,216.33

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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.