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Finding the Fourth Proportional to 104,147.30, 156,220.95 and 29,264.42

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Solution

The fourth proportional to 104,147.30, 156,220.95 and 29,264.42 is: 43,896.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,147.30 : 156,220.95 = 29,264.42 : x
  2. Step 2: Convert to fraction form
    104,147.30/156,220.95 = 29,264.42/x
  3. Step 3: Cross multiply
    104,147.30x = 156,220.95 × 29,264.42
  4. Step 4: Simplify right side
    104,147.30x = 4,571,714,712.49
  5. Step 5: Solve for x
    x = 4,571,714,712.49/104,147.30
  6. Step 6: Final answer
    x = 43,896.62

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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.