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Finding the Fourth Proportional to 167,493.20, 251,098.50 and 72,651.98

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Solution

The fourth proportional to 167,493.20, 251,098.50 and 72,651.98 is: 108,916.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,493.20 : 251,098.50 = 72,651.98 : x
  2. Step 2: Convert to fraction form
    167,493.20/251,098.50 = 72,651.98/x
  3. Step 3: Cross multiply
    167,493.20x = 251,098.50 × 72,651.98
  4. Step 4: Simplify right side
    167,493.20x = 18,242,803,827.78
  5. Step 5: Solve for x
    x = 18,242,803,827.78/167,493.20
  6. Step 6: Final answer
    x = 108,916.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.