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Finding the Fourth Proportional to 80,562.46, 120,855.98 and 41,098.05

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Solution

The fourth proportional to 80,562.46, 120,855.98 and 41,098.05 is: 61,653.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,562.46 : 120,855.98 = 41,098.05 : x
  2. Step 2: Convert to fraction form
    80,562.46/120,855.98 = 41,098.05/x
  3. Step 3: Cross multiply
    80,562.46x = 120,855.98 × 41,098.05
  4. Step 4: Simplify right side
    80,562.46x = 4,966,945,108.84
  5. Step 5: Solve for x
    x = 4,966,945,108.84/80,562.46
  6. Step 6: Final answer
    x = 61,653.34

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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.