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Finding the Fourth Proportional to 214,703.90, 322,067.14 and 64,940.37

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Solution

The fourth proportional to 214,703.90, 322,067.14 and 64,940.37 is: 97,413.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,703.90 : 322,067.14 = 64,940.37 : x
  2. Step 2: Convert to fraction form
    214,703.90/322,067.14 = 64,940.37/x
  3. Step 3: Cross multiply
    214,703.90x = 322,067.14 × 64,940.37
  4. Step 4: Simplify right side
    214,703.90x = 20,915,157,866.34
  5. Step 5: Solve for x
    x = 20,915,157,866.34/214,703.90
  6. Step 6: Final answer
    x = 97,413.96

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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.