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Finding the Fourth Proportional to 182,866.82, 274,318.68 and 68,986.05

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Solution

The fourth proportional to 182,866.82, 274,318.68 and 68,986.05 is: 103,486.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,866.82 : 274,318.68 = 68,986.05 : x
  2. Step 2: Convert to fraction form
    182,866.82/274,318.68 = 68,986.05/x
  3. Step 3: Cross multiply
    182,866.82x = 274,318.68 × 68,986.05
  4. Step 4: Simplify right side
    182,866.82x = 18,924,162,174.41
  5. Step 5: Solve for x
    x = 18,924,162,174.41/182,866.82
  6. Step 6: Final answer
    x = 103,486.04

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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.