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Finding the Fourth Proportional to 259,000.44, 388,398.54 and 125,841.30

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Solution

The fourth proportional to 259,000.44, 388,398.54 and 125,841.30 is: 188,712.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,000.44 : 388,398.54 = 125,841.30 : x
  2. Step 2: Convert to fraction form
    259,000.44/388,398.54 = 125,841.30/x
  3. Step 3: Cross multiply
    259,000.44x = 388,398.54 × 125,841.30
  4. Step 4: Simplify right side
    259,000.44x = 48,876,577,191.70
  5. Step 5: Solve for x
    x = 48,876,577,191.70/259,000.44
  6. Step 6: Final answer
    x = 188,712.33

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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.