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Finding the Fourth Proportional to 125,471.94, 188,232.03 and 50,599.66

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Solution

The fourth proportional to 125,471.94, 188,232.03 and 50,599.66 is: 75,909.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,471.94 : 188,232.03 = 50,599.66 : x
  2. Step 2: Convert to fraction form
    125,471.94/188,232.03 = 50,599.66/x
  3. Step 3: Cross multiply
    125,471.94x = 188,232.03 × 50,599.66
  4. Step 4: Simplify right side
    125,471.94x = 9,524,476,988.56
  5. Step 5: Solve for x
    x = 9,524,476,988.56/125,471.94
  6. Step 6: Final answer
    x = 75,909.22

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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.