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Finding the Fourth Proportional to 104,532.72, 156,787.20 and 29,659.20

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Solution

The fourth proportional to 104,532.72, 156,787.20 and 29,659.20 is: 44,485.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,532.72 : 156,787.20 = 29,659.20 : x
  2. Step 2: Convert to fraction form
    104,532.72/156,787.20 = 29,659.20/x
  3. Step 3: Cross multiply
    104,532.72x = 156,787.20 × 29,659.20
  4. Step 4: Simplify right side
    104,532.72x = 4,650,182,922.24
  5. Step 5: Solve for x
    x = 4,650,182,922.24/104,532.72
  6. Step 6: Final answer
    x = 44,485.43

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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.