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Finding the Fourth Proportional to 234,991.22, 352,545.15 and 68,779.22

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Solution

The fourth proportional to 234,991.22, 352,545.15 and 68,779.22 is: 103,185.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,991.22 : 352,545.15 = 68,779.22 : x
  2. Step 2: Convert to fraction form
    234,991.22/352,545.15 = 68,779.22/x
  3. Step 3: Cross multiply
    234,991.22x = 352,545.15 × 68,779.22
  4. Step 4: Simplify right side
    234,991.22x = 24,247,780,431.78
  5. Step 5: Solve for x
    x = 24,247,780,431.78/234,991.22
  6. Step 6: Final answer
    x = 103,185.90

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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.