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Finding the Fourth Proportional to 71,168.73, 106,766.07 and 23,779.31

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Solution

The fourth proportional to 71,168.73, 106,766.07 and 23,779.31 is: 35,673.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,168.73 : 106,766.07 = 23,779.31 : x
  2. Step 2: Convert to fraction form
    71,168.73/106,766.07 = 23,779.31/x
  3. Step 3: Cross multiply
    71,168.73x = 106,766.07 × 23,779.31
  4. Step 4: Simplify right side
    71,168.73x = 2,538,822,853.01
  5. Step 5: Solve for x
    x = 2,538,822,853.01/71,168.73
  6. Step 6: Final answer
    x = 35,673.29

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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.