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Finding the Fourth Proportional to 114,414.84, 171,671.64 and 61,861.44

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Solution

The fourth proportional to 114,414.84, 171,671.64 and 61,861.44 is: 92,818.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,414.84 : 171,671.64 = 61,861.44 : x
  2. Step 2: Convert to fraction form
    114,414.84/171,671.64 = 61,861.44/x
  3. Step 3: Cross multiply
    114,414.84x = 171,671.64 × 61,861.44
  4. Step 4: Simplify right side
    114,414.84x = 10,619,854,857.56
  5. Step 5: Solve for x
    x = 10,619,854,857.56/114,414.84
  6. Step 6: Final answer
    x = 92,818.86

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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.