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Finding the Fourth Proportional to 234,506.44, 352,230.38 and 139,921.21

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Solution

The fourth proportional to 234,506.44, 352,230.38 and 139,921.21 is: 210,162.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,506.44 : 352,230.38 = 139,921.21 : x
  2. Step 2: Convert to fraction form
    234,506.44/352,230.38 = 139,921.21/x
  3. Step 3: Cross multiply
    234,506.44x = 352,230.38 × 139,921.21
  4. Step 4: Simplify right side
    234,506.44x = 49,284,498,507.60
  5. Step 5: Solve for x
    x = 49,284,498,507.60/234,506.44
  6. Step 6: Final answer
    x = 210,162.67

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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.