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Finding the Fourth Proportional to 121,994.68, 182,997.49 and 53,601.73

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Solution

The fourth proportional to 121,994.68, 182,997.49 and 53,601.73 is: 80,405.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,994.68 : 182,997.49 = 53,601.73 : x
  2. Step 2: Convert to fraction form
    121,994.68/182,997.49 = 53,601.73/x
  3. Step 3: Cross multiply
    121,994.68x = 182,997.49 × 53,601.73
  4. Step 4: Simplify right side
    121,994.68x = 9,808,982,049.66
  5. Step 5: Solve for x
    x = 9,808,982,049.66/121,994.68
  6. Step 6: Final answer
    x = 80,405.00

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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.