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Finding the Fourth Proportional to 122,414.94, 168,933.87 and 67,968

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Solution

The fourth proportional to 122,414.94, 168,933.87 and 67,968 is: 93,796.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,414.94 : 168,933.87 = 67,968 : x
  2. Step 2: Convert to fraction form
    122,414.94/168,933.87 = 67,968/x
  3. Step 3: Cross multiply
    122,414.94x = 168,933.87 × 67,968
  4. Step 4: Simplify right side
    122,414.94x = 11,482,097,276.16
  5. Step 5: Solve for x
    x = 11,482,097,276.16/122,414.94
  6. Step 6: Final answer
    x = 93,796.54

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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.