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Finding the Fourth Proportional to 108,658.92, 162,995.67 and 29,766.54

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Solution

The fourth proportional to 108,658.92, 162,995.67 and 29,766.54 is: 44,651.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,658.92 : 162,995.67 = 29,766.54 : x
  2. Step 2: Convert to fraction form
    108,658.92/162,995.67 = 29,766.54/x
  3. Step 3: Cross multiply
    108,658.92x = 162,995.67 × 29,766.54
  4. Step 4: Simplify right side
    108,658.92x = 4,851,817,130.88
  5. Step 5: Solve for x
    x = 4,851,817,130.88/108,658.92
  6. Step 6: Final answer
    x = 44,651.81

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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.