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Finding the Fourth Proportional to 104,644.96, 156,967.08 and 28,743.58

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Solution

The fourth proportional to 104,644.96, 156,967.08 and 28,743.58 is: 43,115.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,644.96 : 156,967.08 = 28,743.58 : x
  2. Step 2: Convert to fraction form
    104,644.96/156,967.08 = 28,743.58/x
  3. Step 3: Cross multiply
    104,644.96x = 156,967.08 × 28,743.58
  4. Step 4: Simplify right side
    104,644.96x = 4,511,795,821.35
  5. Step 5: Solve for x
    x = 4,511,795,821.35/104,644.96
  6. Step 6: Final answer
    x = 43,115.27

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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.