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Finding the Fourth Proportional to 162,942.80, 244,414.20 and 100,648.40

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Solution

The fourth proportional to 162,942.80, 244,414.20 and 100,648.40 is: 150,972.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,942.80 : 244,414.20 = 100,648.40 : x
  2. Step 2: Convert to fraction form
    162,942.80/244,414.20 = 100,648.40/x
  3. Step 3: Cross multiply
    162,942.80x = 244,414.20 × 100,648.40
  4. Step 4: Simplify right side
    162,942.80x = 24,599,898,167.28
  5. Step 5: Solve for x
    x = 24,599,898,167.28/162,942.80
  6. Step 6: Final answer
    x = 150,972.60

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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.