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Finding the Fourth Proportional to 132,504.72, 198,800.84 and 53,575.90

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Solution

The fourth proportional to 132,504.72, 198,800.84 and 53,575.90 is: 80,381.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,504.72 : 198,800.84 = 53,575.90 : x
  2. Step 2: Convert to fraction form
    132,504.72/198,800.84 = 53,575.90/x
  3. Step 3: Cross multiply
    132,504.72x = 198,800.84 × 53,575.90
  4. Step 4: Simplify right side
    132,504.72x = 10,650,933,923.76
  5. Step 5: Solve for x
    x = 10,650,933,923.76/132,504.72
  6. Step 6: Final answer
    x = 80,381.54

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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.