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Finding the Fourth Proportional to 301,168.91, 451,063.85 and 151,451.75

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Solution

The fourth proportional to 301,168.91, 451,063.85 and 151,451.75 is: 226,830.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,168.91 : 451,063.85 = 151,451.75 : x
  2. Step 2: Convert to fraction form
    301,168.91/451,063.85 = 151,451.75/x
  3. Step 3: Cross multiply
    301,168.91x = 451,063.85 × 151,451.75
  4. Step 4: Simplify right side
    301,168.91x = 68,314,406,431.66
  5. Step 5: Solve for x
    x = 68,314,406,431.66/301,168.91
  6. Step 6: Final answer
    x = 226,830.88

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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.