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Finding the Fourth Proportional to 332,512.80, 498,842.10 and 164,113.80

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Solution

The fourth proportional to 332,512.80, 498,842.10 and 164,113.80 is: 246,206.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,512.80 : 498,842.10 = 164,113.80 : x
  2. Step 2: Convert to fraction form
    332,512.80/498,842.10 = 164,113.80/x
  3. Step 3: Cross multiply
    332,512.80x = 498,842.10 × 164,113.80
  4. Step 4: Simplify right side
    332,512.80x = 81,866,872,630.98
  5. Step 5: Solve for x
    x = 81,866,872,630.98/332,512.80
  6. Step 6: Final answer
    x = 246,206.68

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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.