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Finding the Fourth Proportional to 445,186.65, 667,770.24 and 108,229.08

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Solution

The fourth proportional to 445,186.65, 667,770.24 and 108,229.08 is: 162,341.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,186.65 : 667,770.24 = 108,229.08 : x
  2. Step 2: Convert to fraction form
    445,186.65/667,770.24 = 108,229.08/x
  3. Step 3: Cross multiply
    445,186.65x = 667,770.24 × 108,229.08
  4. Step 4: Simplify right side
    445,186.65x = 72,272,158,726.58
  5. Step 5: Solve for x
    x = 72,272,158,726.58/445,186.65
  6. Step 6: Final answer
    x = 162,341.25

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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.