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Finding the Fourth Proportional to 234,874.12, 352,369.72 and 68,662.12

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Solution

The fourth proportional to 234,874.12, 352,369.72 and 68,662.12 is: 103,010.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,874.12 : 352,369.72 = 68,662.12 : x
  2. Step 2: Convert to fraction form
    234,874.12/352,369.72 = 68,662.12/x
  3. Step 3: Cross multiply
    234,874.12x = 352,369.72 × 68,662.12
  4. Step 4: Simplify right side
    234,874.12x = 24,194,451,999.01
  5. Step 5: Solve for x
    x = 24,194,451,999.01/234,874.12
  6. Step 6: Final answer
    x = 103,010.29

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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.