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Finding the Fourth Proportional to 220,141.20, 330,211.80 and 182,775.90

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Solution

The fourth proportional to 220,141.20, 330,211.80 and 182,775.90 is: 274,163.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,141.20 : 330,211.80 = 182,775.90 : x
  2. Step 2: Convert to fraction form
    220,141.20/330,211.80 = 182,775.90/x
  3. Step 3: Cross multiply
    220,141.20x = 330,211.80 × 182,775.90
  4. Step 4: Simplify right side
    220,141.20x = 60,354,758,935.62
  5. Step 5: Solve for x
    x = 60,354,758,935.62/220,141.20
  6. Step 6: Final answer
    x = 274,163.85

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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.