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Finding the Fourth Proportional to 103,996.67, 156,014.45 and 41,672.03

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Solution

The fourth proportional to 103,996.67, 156,014.45 and 41,672.03 is: 62,515.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,996.67 : 156,014.45 = 41,672.03 : x
  2. Step 2: Convert to fraction form
    103,996.67/156,014.45 = 41,672.03/x
  3. Step 3: Cross multiply
    103,996.67x = 156,014.45 × 41,672.03
  4. Step 4: Simplify right side
    103,996.67x = 6,501,438,632.47
  5. Step 5: Solve for x
    x = 6,501,438,632.47/103,996.67
  6. Step 6: Final answer
    x = 62,515.83

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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.