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Finding the Fourth Proportional to 104,418.56, 156,609.84 and 34,299.20

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Solution

The fourth proportional to 104,418.56, 156,609.84 and 34,299.20 is: 51,442.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,418.56 : 156,609.84 = 34,299.20 : x
  2. Step 2: Convert to fraction form
    104,418.56/156,609.84 = 34,299.20/x
  3. Step 3: Cross multiply
    104,418.56x = 156,609.84 × 34,299.20
  4. Step 4: Simplify right side
    104,418.56x = 5,371,592,224.13
  5. Step 5: Solve for x
    x = 5,371,592,224.13/104,418.56
  6. Step 6: Final answer
    x = 51,442.89

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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.