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Finding the Fourth Proportional to 167,492.98, 251,098.17 and 72,651.77

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Solution

The fourth proportional to 167,492.98, 251,098.17 and 72,651.77 is: 108,916.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,492.98 : 251,098.17 = 72,651.77 : x
  2. Step 2: Convert to fraction form
    167,492.98/251,098.17 = 72,651.77/x
  3. Step 3: Cross multiply
    167,492.98x = 251,098.17 × 72,651.77
  4. Step 4: Simplify right side
    167,492.98x = 18,242,726,494.26
  5. Step 5: Solve for x
    x = 18,242,726,494.26/167,492.98
  6. Step 6: Final answer
    x = 108,916.36

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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.