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Finding the Fourth Proportional to 141,556.56, 212,334.80 and 36,375.60

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Solution

The fourth proportional to 141,556.56, 212,334.80 and 36,375.60 is: 54,563.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,556.56 : 212,334.80 = 36,375.60 : x
  2. Step 2: Convert to fraction form
    141,556.56/212,334.80 = 36,375.60/x
  3. Step 3: Cross multiply
    141,556.56x = 212,334.80 × 36,375.60
  4. Step 4: Simplify right side
    141,556.56x = 7,723,805,750.88
  5. Step 5: Solve for x
    x = 7,723,805,750.88/141,556.56
  6. Step 6: Final answer
    x = 54,563.39

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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.