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Finding the Fourth Proportional to 332,060.09, 498,105.70 and 107,438.11

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Solution

The fourth proportional to 332,060.09, 498,105.70 and 107,438.11 is: 161,162.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,060.09 : 498,105.70 = 107,438.11 : x
  2. Step 2: Convert to fraction form
    332,060.09/498,105.70 = 107,438.11/x
  3. Step 3: Cross multiply
    332,060.09x = 498,105.70 × 107,438.11
  4. Step 4: Simplify right side
    332,060.09x = 53,515,536,880.55
  5. Step 5: Solve for x
    x = 53,515,536,880.55/332,060.09
  6. Step 6: Final answer
    x = 161,162.21

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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.