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Finding the Fourth Proportional to 269,500.80, 404,481.60 and 119,971.20

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Solution

The fourth proportional to 269,500.80, 404,481.60 and 119,971.20 is: 180,059.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,500.80 : 404,481.60 = 119,971.20 : x
  2. Step 2: Convert to fraction form
    269,500.80/404,481.60 = 119,971.20/x
  3. Step 3: Cross multiply
    269,500.80x = 404,481.60 × 119,971.20
  4. Step 4: Simplify right side
    269,500.80x = 48,526,142,929.92
  5. Step 5: Solve for x
    x = 48,526,142,929.92/269,500.80
  6. Step 6: Final answer
    x = 180,059.37

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1.5x scale

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.