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Finding the Fourth Proportional to 104,513.70, 156,770.55 and 62,939.30

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Solution

The fourth proportional to 104,513.70, 156,770.55 and 62,939.30 is: 94,408.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,513.70 : 156,770.55 = 62,939.30 : x
  2. Step 2: Convert to fraction form
    104,513.70/156,770.55 = 62,939.30/x
  3. Step 3: Cross multiply
    104,513.70x = 156,770.55 × 62,939.30
  4. Step 4: Simplify right side
    104,513.70x = 9,867,028,677.62
  5. Step 5: Solve for x
    x = 9,867,028,677.62/104,513.70
  6. Step 6: Final answer
    x = 94,408.95

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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.