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Finding the Fourth Proportional to 167,493.22, 251,098.54 and 72,651.96

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Solution

The fourth proportional to 167,493.22, 251,098.54 and 72,651.96 is: 108,916.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,493.22 : 251,098.54 = 72,651.96 : x
  2. Step 2: Convert to fraction form
    167,493.22/251,098.54 = 72,651.96/x
  3. Step 3: Cross multiply
    167,493.22x = 251,098.54 × 72,651.96
  4. Step 4: Simplify right side
    167,493.22x = 18,242,800,902.51
  5. Step 5: Solve for x
    x = 18,242,800,902.51/167,493.22
  6. Step 6: Final answer
    x = 108,916.65

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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.