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Finding the Fourth Proportional to 167,318.78, 250,883.85 and 54,968.83

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Solution

The fourth proportional to 167,318.78, 250,883.85 and 54,968.83 is: 82,422.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,318.78 : 250,883.85 = 54,968.83 : x
  2. Step 2: Convert to fraction form
    167,318.78/250,883.85 = 54,968.83/x
  3. Step 3: Cross multiply
    167,318.78x = 250,883.85 × 54,968.83
  4. Step 4: Simplify right side
    167,318.78x = 13,790,791,700.40
  5. Step 5: Solve for x
    x = 13,790,791,700.40/167,318.78
  6. Step 6: Final answer
    x = 82,422.26

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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.