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Finding the Fourth Proportional to 104,644.20, 156,964.89 and 25,759.08

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Solution

The fourth proportional to 104,644.20, 156,964.89 and 25,759.08 is: 38,638.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,644.20 : 156,964.89 = 25,759.08 : x
  2. Step 2: Convert to fraction form
    104,644.20/156,964.89 = 25,759.08/x
  3. Step 3: Cross multiply
    104,644.20x = 156,964.89 × 25,759.08
  4. Step 4: Simplify right side
    104,644.20x = 4,043,271,158.70
  5. Step 5: Solve for x
    x = 4,043,271,158.70/104,644.20
  6. Step 6: Final answer
    x = 38,638.27

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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.