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Finding the Fourth Proportional to 100,950.80, 151,446.45 and 29,873.30

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Solution

The fourth proportional to 100,950.80, 151,446.45 and 29,873.30 is: 44,815.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,950.80 : 151,446.45 = 29,873.30 : x
  2. Step 2: Convert to fraction form
    100,950.80/151,446.45 = 29,873.30/x
  3. Step 3: Cross multiply
    100,950.80x = 151,446.45 × 29,873.30
  4. Step 4: Simplify right side
    100,950.80x = 4,524,205,234.79
  5. Step 5: Solve for x
    x = 4,524,205,234.79/100,950.80
  6. Step 6: Final answer
    x = 44,815.94

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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.