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Finding the Fourth Proportional to 125,563.87, 188,343.23 and 36,815.41

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Solution

The fourth proportional to 125,563.87, 188,343.23 and 36,815.41 is: 55,222.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,563.87 : 188,343.23 = 36,815.41 : x
  2. Step 2: Convert to fraction form
    125,563.87/188,343.23 = 36,815.41/x
  3. Step 3: Cross multiply
    125,563.87x = 188,343.23 × 36,815.41
  4. Step 4: Simplify right side
    125,563.87x = 6,933,933,284.53
  5. Step 5: Solve for x
    x = 6,933,933,284.53/125,563.87
  6. Step 6: Final answer
    x = 55,222.36

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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.