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Finding the Fourth Proportional to 248,969.20, 373,453.80 and 82,735.60

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Solution

The fourth proportional to 248,969.20, 373,453.80 and 82,735.60 is: 124,103.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,969.20 : 373,453.80 = 82,735.60 : x
  2. Step 2: Convert to fraction form
    248,969.20/373,453.80 = 82,735.60/x
  3. Step 3: Cross multiply
    248,969.20x = 373,453.80 × 82,735.60
  4. Step 4: Simplify right side
    248,969.20x = 30,897,924,215.28
  5. Step 5: Solve for x
    x = 30,897,924,215.28/248,969.20
  6. Step 6: Final answer
    x = 124,103.40

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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.