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Finding the Fourth Proportional to 148,244.52, 204,576 and 80,259.72

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Solution

The fourth proportional to 148,244.52, 204,576 and 80,259.72 is: 110,757.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,244.52 : 204,576 = 80,259.72 : x
  2. Step 2: Convert to fraction form
    148,244.52/204,576 = 80,259.72/x
  3. Step 3: Cross multiply
    148,244.52x = 204,576 × 80,259.72
  4. Step 4: Simplify right side
    148,244.52x = 16,419,212,478.72
  5. Step 5: Solve for x
    x = 16,419,212,478.72/148,244.52
  6. Step 6: Final answer
    x = 110,757.64

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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.