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Finding the Fourth Proportional to 167,672.43, 251,510.67 and 66,495.33

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Solution

The fourth proportional to 167,672.43, 251,510.67 and 66,495.33 is: 99,743.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,672.43 : 251,510.67 = 66,495.33 : x
  2. Step 2: Convert to fraction form
    167,672.43/251,510.67 = 66,495.33/x
  3. Step 3: Cross multiply
    167,672.43x = 251,510.67 × 66,495.33
  4. Step 4: Simplify right side
    167,672.43x = 16,724,285,000.17
  5. Step 5: Solve for x
    x = 16,724,285,000.17/167,672.43
  6. Step 6: Final answer
    x = 99,743.80

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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.