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Finding the Fourth Proportional to 234,590.92, 351,832.41 and 139,847.85

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Solution

The fourth proportional to 234,590.92, 351,832.41 and 139,847.85 is: 209,739.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,590.92 : 351,832.41 = 139,847.85 : x
  2. Step 2: Convert to fraction form
    234,590.92/351,832.41 = 139,847.85/x
  3. Step 3: Cross multiply
    234,590.92x = 351,832.41 × 139,847.85
  4. Step 4: Simplify right side
    234,590.92x = 49,203,006,098.82
  5. Step 5: Solve for x
    x = 49,203,006,098.82/234,590.92
  6. Step 6: Final answer
    x = 209,739.60

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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.