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Finding the Fourth Proportional to 132,285.88, 198,166.38 and 61,951.96

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Solution

The fourth proportional to 132,285.88, 198,166.38 and 61,951.96 is: 92,805.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,285.88 : 198,166.38 = 61,951.96 : x
  2. Step 2: Convert to fraction form
    132,285.88/198,166.38 = 61,951.96/x
  3. Step 3: Cross multiply
    132,285.88x = 198,166.38 × 61,951.96
  4. Step 4: Simplify right side
    132,285.88x = 12,276,795,647.10
  5. Step 5: Solve for x
    x = 12,276,795,647.10/132,285.88
  6. Step 6: Final answer
    x = 92,805.03

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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.