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Finding the Fourth Proportional to 162,906.30, 244,165.05 and 68,136.30

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Solution

The fourth proportional to 162,906.30, 244,165.05 and 68,136.30 is: 102,123.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,906.30 : 244,165.05 = 68,136.30 : x
  2. Step 2: Convert to fraction form
    162,906.30/244,165.05 = 68,136.30/x
  3. Step 3: Cross multiply
    162,906.30x = 244,165.05 × 68,136.30
  4. Step 4: Simplify right side
    162,906.30x = 16,636,503,096.32
  5. Step 5: Solve for x
    x = 16,636,503,096.32/162,906.30
  6. Step 6: Final answer
    x = 102,123.14

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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.