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Finding the Fourth Proportional to 107,992.20, 161,939.70 and 41,410.20

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Solution

The fourth proportional to 107,992.20, 161,939.70 and 41,410.20 is: 62,096.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,992.20 : 161,939.70 = 41,410.20 : x
  2. Step 2: Convert to fraction form
    107,992.20/161,939.70 = 41,410.20/x
  3. Step 3: Cross multiply
    107,992.20x = 161,939.70 × 41,410.20
  4. Step 4: Simplify right side
    107,992.20x = 6,705,955,364.94
  5. Step 5: Solve for x
    x = 6,705,955,364.94/107,992.20
  6. Step 6: Final answer
    x = 62,096.66

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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.