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Finding the Fourth Proportional to 108,116.85, 162,174.89 and 29,231.06

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Solution

The fourth proportional to 108,116.85, 162,174.89 and 29,231.06 is: 43,846.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,116.85 : 162,174.89 = 29,231.06 : x
  2. Step 2: Convert to fraction form
    108,116.85/162,174.89 = 29,231.06/x
  3. Step 3: Cross multiply
    108,116.85x = 162,174.89 × 29,231.06
  4. Step 4: Simplify right side
    108,116.85x = 4,740,544,418.60
  5. Step 5: Solve for x
    x = 4,740,544,418.60/108,116.85
  6. Step 6: Final answer
    x = 43,846.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.