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Finding the Fourth Proportional to 108,751.44, 163,107.72 and 29,855.28

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Solution

The fourth proportional to 108,751.44, 163,107.72 and 29,855.28 is: 44,777.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,751.44 : 163,107.72 = 29,855.28 : x
  2. Step 2: Convert to fraction form
    108,751.44/163,107.72 = 29,855.28/x
  3. Step 3: Cross multiply
    108,751.44x = 163,107.72 × 29,855.28
  4. Step 4: Simplify right side
    108,751.44x = 4,869,626,650.76
  5. Step 5: Solve for x
    x = 4,869,626,650.76/108,751.44
  6. Step 6: Final answer
    x = 44,777.58

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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.