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Finding the Fourth Proportional to 171,024.20, 256,609.20 and 107,892.80

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Solution

The fourth proportional to 171,024.20, 256,609.20 and 107,892.80 is: 161,885.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,024.20 : 256,609.20 = 107,892.80 : x
  2. Step 2: Convert to fraction form
    171,024.20/256,609.20 = 107,892.80/x
  3. Step 3: Cross multiply
    171,024.20x = 256,609.20 × 107,892.80
  4. Step 4: Simplify right side
    171,024.20x = 27,686,285,093.76
  5. Step 5: Solve for x
    x = 27,686,285,093.76/171,024.20
  6. Step 6: Final answer
    x = 161,885.19

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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.