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Finding the Fourth Proportional to 234,698.67, 323,764.20 and 148,512.65

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Solution

The fourth proportional to 234,698.67, 323,764.20 and 148,512.65 is: 204,871.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,698.67 : 323,764.20 = 148,512.65 : x
  2. Step 2: Convert to fraction form
    234,698.67/323,764.20 = 148,512.65/x
  3. Step 3: Cross multiply
    234,698.67x = 323,764.20 × 148,512.65
  4. Step 4: Simplify right side
    234,698.67x = 48,083,077,698.31
  5. Step 5: Solve for x
    x = 48,083,077,698.31/234,698.67
  6. Step 6: Final answer
    x = 204,871.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.