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Finding the Fourth Proportional to 104,287.34, 156,422.84 and 29,404.46

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Solution

The fourth proportional to 104,287.34, 156,422.84 and 29,404.46 is: 44,104.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,287.34 : 156,422.84 = 29,404.46 : x
  2. Step 2: Convert to fraction form
    104,287.34/156,422.84 = 29,404.46/x
  3. Step 3: Cross multiply
    104,287.34x = 156,422.84 × 29,404.46
  4. Step 4: Simplify right side
    104,287.34x = 4,599,528,212.73
  5. Step 5: Solve for x
    x = 4,599,528,212.73/104,287.34
  6. Step 6: Final answer
    x = 44,104.38

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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.