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Finding the Fourth Proportional to 162,906.80, 244,165.80 and 68,136.80

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Solution

The fourth proportional to 162,906.80, 244,165.80 and 68,136.80 is: 102,123.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,906.80 : 244,165.80 = 68,136.80 : x
  2. Step 2: Convert to fraction form
    162,906.80/244,165.80 = 68,136.80/x
  3. Step 3: Cross multiply
    162,906.80x = 244,165.80 × 68,136.80
  4. Step 4: Simplify right side
    162,906.80x = 16,636,676,281.44
  5. Step 5: Solve for x
    x = 16,636,676,281.44/162,906.80
  6. Step 6: Final answer
    x = 102,123.89

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1.5x scale

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.