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Finding the Fourth Proportional to 104,572.60, 156,801.30 and 34,415.80

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Solution

The fourth proportional to 104,572.60, 156,801.30 and 34,415.80 is: 51,604.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,572.60 : 156,801.30 = 34,415.80 : x
  2. Step 2: Convert to fraction form
    104,572.60/156,801.30 = 34,415.80/x
  3. Step 3: Cross multiply
    104,572.60x = 156,801.30 × 34,415.80
  4. Step 4: Simplify right side
    104,572.60x = 5,396,442,180.54
  5. Step 5: Solve for x
    x = 5,396,442,180.54/104,572.60
  6. Step 6: Final answer
    x = 51,604.74

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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.