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Finding the Fourth Proportional to 174,324.40, 261,481.20 and 49,665.40

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Solution

The fourth proportional to 174,324.40, 261,481.20 and 49,665.40 is: 74,496.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,324.40 : 261,481.20 = 49,665.40 : x
  2. Step 2: Convert to fraction form
    174,324.40/261,481.20 = 49,665.40/x
  3. Step 3: Cross multiply
    174,324.40x = 261,481.20 × 49,665.40
  4. Step 4: Simplify right side
    174,324.40x = 12,986,568,390.48
  5. Step 5: Solve for x
    x = 12,986,568,390.48/174,324.40
  6. Step 6: Final answer
    x = 74,496.56

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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.