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Finding the Fourth Proportional to 125,503.48, 188,213.46 and 50,604.28

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Solution

The fourth proportional to 125,503.48, 188,213.46 and 50,604.28 is: 75,889.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,503.48 : 188,213.46 = 50,604.28 : x
  2. Step 2: Convert to fraction form
    125,503.48/188,213.46 = 50,604.28/x
  3. Step 3: Cross multiply
    125,503.48x = 188,213.46 × 50,604.28
  4. Step 4: Simplify right side
    125,503.48x = 9,524,406,629.61
  5. Step 5: Solve for x
    x = 9,524,406,629.61/125,503.48
  6. Step 6: Final answer
    x = 75,889.58

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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.