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Finding the Fourth Proportional to 337,286.25, 505,958.54 and 87,968.25

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Solution

The fourth proportional to 337,286.25, 505,958.54 and 87,968.25 is: 131,959.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,286.25 : 505,958.54 = 87,968.25 : x
  2. Step 2: Convert to fraction form
    337,286.25/505,958.54 = 87,968.25/x
  3. Step 3: Cross multiply
    337,286.25x = 505,958.54 × 87,968.25
  4. Step 4: Simplify right side
    337,286.25x = 44,508,286,896.51
  5. Step 5: Solve for x
    x = 44,508,286,896.51/337,286.25
  6. Step 6: Final answer
    x = 131,959.98

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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.