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Finding the Fourth Proportional to 68,166.90, 94,070.11 and 37,951.44

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Solution

The fourth proportional to 68,166.90, 94,070.11 and 37,951.44 is: 52,372.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,166.90 : 94,070.11 = 37,951.44 : x
  2. Step 2: Convert to fraction form
    68,166.90/94,070.11 = 37,951.44/x
  3. Step 3: Cross multiply
    68,166.90x = 94,070.11 × 37,951.44
  4. Step 4: Simplify right side
    68,166.90x = 3,570,096,135.46
  5. Step 5: Solve for x
    x = 3,570,096,135.46/68,166.90
  6. Step 6: Final answer
    x = 52,372.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.