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Finding the Fourth Proportional to 68,592.54, 102,608.12 and 51,827.96

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Solution

The fourth proportional to 68,592.54, 102,608.12 and 51,827.96 is: 77,529.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,592.54 : 102,608.12 = 51,827.96 : x
  2. Step 2: Convert to fraction form
    68,592.54/102,608.12 = 51,827.96/x
  3. Step 3: Cross multiply
    68,592.54x = 102,608.12 × 51,827.96
  4. Step 4: Simplify right side
    68,592.54x = 5,317,969,539.04
  5. Step 5: Solve for x
    x = 5,317,969,539.04/68,592.54
  6. Step 6: Final answer
    x = 77,529.85

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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.