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Finding the Fourth Proportional to 125,675.66, 188,647.77 and 50,844.71

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Solution

The fourth proportional to 125,675.66, 188,647.77 and 50,844.71 is: 76,321.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,675.66 : 188,647.77 = 50,844.71 : x
  2. Step 2: Convert to fraction form
    125,675.66/188,647.77 = 50,844.71/x
  3. Step 3: Cross multiply
    125,675.66x = 188,647.77 × 50,844.71
  4. Step 4: Simplify right side
    125,675.66x = 9,591,740,214.56
  5. Step 5: Solve for x
    x = 9,591,740,214.56/125,675.66
  6. Step 6: Final answer
    x = 76,321.39

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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.