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Finding the Fourth Proportional to 125,700.70, 188,550.59 and 50,819.94

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Solution

The fourth proportional to 125,700.70, 188,550.59 and 50,819.94 is: 76,229.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,700.70 : 188,550.59 = 50,819.94 : x
  2. Step 2: Convert to fraction form
    125,700.70/188,550.59 = 50,819.94/x
  3. Step 3: Cross multiply
    125,700.70x = 188,550.59 × 50,819.94
  4. Step 4: Simplify right side
    125,700.70x = 9,582,130,123.73
  5. Step 5: Solve for x
    x = 9,582,130,123.73/125,700.70
  6. Step 6: Final answer
    x = 76,229.73

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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.