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Finding the Fourth Proportional to 141,352.92, 212,067.63 and 47,858.67

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Solution

The fourth proportional to 141,352.92, 212,067.63 and 47,858.67 is: 71,800.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,352.92 : 212,067.63 = 47,858.67 : x
  2. Step 2: Convert to fraction form
    141,352.92/212,067.63 = 47,858.67/x
  3. Step 3: Cross multiply
    141,352.92x = 212,067.63 × 47,858.67
  4. Step 4: Simplify right side
    141,352.92x = 10,149,274,721.85
  5. Step 5: Solve for x
    x = 10,149,274,721.85/141,352.92
  6. Step 6: Final answer
    x = 71,800.96

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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.