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Finding the Fourth Proportional to 248,650.10, 372,906.86 and 68,692.53

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Solution

The fourth proportional to 248,650.10, 372,906.86 and 68,692.53 is: 103,019.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,650.10 : 372,906.86 = 68,692.53 : x
  2. Step 2: Convert to fraction form
    248,650.10/372,906.86 = 68,692.53/x
  3. Step 3: Cross multiply
    248,650.10x = 372,906.86 × 68,692.53
  4. Step 4: Simplify right side
    248,650.10x = 25,615,915,324.29
  5. Step 5: Solve for x
    x = 25,615,915,324.29/248,650.10
  6. Step 6: Final answer
    x = 103,019.93

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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.