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Finding the Fourth Proportional to 125,550.71, 188,325.02 and 50,669.70

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Solution

The fourth proportional to 125,550.71, 188,325.02 and 50,669.70 is: 76,004.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,550.71 : 188,325.02 = 50,669.70 : x
  2. Step 2: Convert to fraction form
    125,550.71/188,325.02 = 50,669.70/x
  3. Step 3: Cross multiply
    125,550.71x = 188,325.02 × 50,669.70
  4. Step 4: Simplify right side
    125,550.71x = 9,542,372,012.55
  5. Step 5: Solve for x
    x = 9,542,372,012.55/125,550.71
  6. Step 6: Final answer
    x = 76,004.13

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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.