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Finding the Fourth Proportional to 125,620.82, 188,390.73 and 41,360.92

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Solution

The fourth proportional to 125,620.82, 188,390.73 and 41,360.92 is: 62,028.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,620.82 : 188,390.73 = 41,360.92 : x
  2. Step 2: Convert to fraction form
    125,620.82/188,390.73 = 41,360.92/x
  3. Step 3: Cross multiply
    125,620.82x = 188,390.73 × 41,360.92
  4. Step 4: Simplify right side
    125,620.82x = 7,792,013,912.27
  5. Step 5: Solve for x
    x = 7,792,013,912.27/125,620.82
  6. Step 6: Final answer
    x = 62,028.05

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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.