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Finding the Fourth Proportional to 132,796.96, 199,251.44 and 53,890.72

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Solution

The fourth proportional to 132,796.96, 199,251.44 and 53,890.72 is: 80,858.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,796.96 : 199,251.44 = 53,890.72 : x
  2. Step 2: Convert to fraction form
    132,796.96/199,251.44 = 53,890.72/x
  3. Step 3: Cross multiply
    132,796.96x = 199,251.44 × 53,890.72
  4. Step 4: Simplify right side
    132,796.96x = 10,737,803,562.64
  5. Step 5: Solve for x
    x = 10,737,803,562.64/132,796.96
  6. Step 6: Final answer
    x = 80,858.81

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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.