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Finding the Fourth Proportional to 141,436.44, 212,023.44 and 47,876.76

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Solution

The fourth proportional to 141,436.44, 212,023.44 and 47,876.76 is: 71,770.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,436.44 : 212,023.44 = 47,876.76 : x
  2. Step 2: Convert to fraction form
    141,436.44/212,023.44 = 47,876.76/x
  3. Step 3: Cross multiply
    141,436.44x = 212,023.44 × 47,876.76
  4. Step 4: Simplify right side
    141,436.44x = 10,150,995,351.25
  5. Step 5: Solve for x
    x = 10,150,995,351.25/141,436.44
  6. Step 6: Final answer
    x = 71,770.72

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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.