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Finding the Fourth Proportional to 382,033.46, 572,693.88 and 129,137.98

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Solution

The fourth proportional to 382,033.46, 572,693.88 and 129,137.98 is: 193,586.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,033.46 : 572,693.88 = 129,137.98 : x
  2. Step 2: Convert to fraction form
    382,033.46/572,693.88 = 129,137.98/x
  3. Step 3: Cross multiply
    382,033.46x = 572,693.88 × 129,137.98
  4. Step 4: Simplify right side
    382,033.46x = 73,956,530,821.56
  5. Step 5: Solve for x
    x = 73,956,530,821.56/382,033.46
  6. Step 6: Final answer
    x = 193,586.53

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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.