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Finding the Fourth Proportional to 181,503.70, 272,310.96 and 92,819.50

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Solution

The fourth proportional to 181,503.70, 272,310.96 and 92,819.50 is: 139,257.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,503.70 : 272,310.96 = 92,819.50 : x
  2. Step 2: Convert to fraction form
    181,503.70/272,310.96 = 92,819.50/x
  3. Step 3: Cross multiply
    181,503.70x = 272,310.96 × 92,819.50
  4. Step 4: Simplify right side
    181,503.70x = 25,275,765,790.17
  5. Step 5: Solve for x
    x = 25,275,765,790.17/181,503.70
  6. Step 6: Final answer
    x = 139,257.58

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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.