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Finding the Fourth Proportional to 301,151.72, 451,362.94 and 167,890.44

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Solution

The fourth proportional to 301,151.72, 451,362.94 and 167,890.44 is: 251,632.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,151.72 : 451,362.94 = 167,890.44 : x
  2. Step 2: Convert to fraction form
    301,151.72/451,362.94 = 167,890.44/x
  3. Step 3: Cross multiply
    301,151.72x = 451,362.94 × 167,890.44
  4. Step 4: Simplify right side
    301,151.72x = 75,779,522,596.29
  5. Step 5: Solve for x
    x = 75,779,522,596.29/301,151.72
  6. Step 6: Final answer
    x = 251,632.38

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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.