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Finding the Fourth Proportional to 259,250.15, 388,874.75 and 101,367.88

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Solution

The fourth proportional to 259,250.15, 388,874.75 and 101,367.88 is: 152,051.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,250.15 : 388,874.75 = 101,367.88 : x
  2. Step 2: Convert to fraction form
    259,250.15/388,874.75 = 101,367.88/x
  3. Step 3: Cross multiply
    259,250.15x = 388,874.75 × 101,367.88
  4. Step 4: Simplify right side
    259,250.15x = 39,419,407,514.00
  5. Step 5: Solve for x
    x = 39,419,407,514.00/259,250.15
  6. Step 6: Final answer
    x = 152,051.63

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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.