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Finding the Fourth Proportional to 162,982.80, 244,576.80 and 69,487.20

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Solution

The fourth proportional to 162,982.80, 244,576.80 and 69,487.20 is: 104,274.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,982.80 : 244,576.80 = 69,487.20 : x
  2. Step 2: Convert to fraction form
    162,982.80/244,576.80 = 69,487.20/x
  3. Step 3: Cross multiply
    162,982.80x = 244,576.80 × 69,487.20
  4. Step 4: Simplify right side
    162,982.80x = 16,994,957,016.96
  5. Step 5: Solve for x
    x = 16,994,957,016.96/162,982.80
  6. Step 6: Final answer
    x = 104,274.54

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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.