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Finding the Fourth Proportional to 132,449.77, 198,567.68 and 43,647.85

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Solution

The fourth proportional to 132,449.77, 198,567.68 and 43,647.85 is: 65,436.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,449.77 : 198,567.68 = 43,647.85 : x
  2. Step 2: Convert to fraction form
    132,449.77/198,567.68 = 43,647.85/x
  3. Step 3: Cross multiply
    132,449.77x = 198,567.68 × 43,647.85
  4. Step 4: Simplify right side
    132,449.77x = 8,667,052,093.25
  5. Step 5: Solve for x
    x = 8,667,052,093.25/132,449.77
  6. Step 6: Final answer
    x = 65,436.52

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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.