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Finding the Fourth Proportional to 108,655.92, 162,991.17 and 29,763.54

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Solution

The fourth proportional to 108,655.92, 162,991.17 and 29,763.54 is: 44,647.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,655.92 : 162,991.17 = 29,763.54 : x
  2. Step 2: Convert to fraction form
    108,655.92/162,991.17 = 29,763.54/x
  3. Step 3: Cross multiply
    108,655.92x = 162,991.17 × 29,763.54
  4. Step 4: Simplify right side
    108,655.92x = 4,851,194,207.94
  5. Step 5: Solve for x
    x = 4,851,194,207.94/108,655.92
  6. Step 6: Final answer
    x = 44,647.31

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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.