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Finding the Fourth Proportional to 159,274.80, 238,744.44 and 80,222.88

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Solution

The fourth proportional to 159,274.80, 238,744.44 and 80,222.88 is: 120,249.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,274.80 : 238,744.44 = 80,222.88 : x
  2. Step 2: Convert to fraction form
    159,274.80/238,744.44 = 80,222.88/x
  3. Step 3: Cross multiply
    159,274.80x = 238,744.44 × 80,222.88
  4. Step 4: Simplify right side
    159,274.80x = 19,152,766,560.79
  5. Step 5: Solve for x
    x = 19,152,766,560.79/159,274.80
  6. Step 6: Final answer
    x = 120,249.82

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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.