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Finding the Fourth Proportional to 332,901.03, 499,398.93 and 108,189.21

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Solution

The fourth proportional to 332,901.03, 499,398.93 and 108,189.21 is: 162,299.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,901.03 : 499,398.93 = 108,189.21 : x
  2. Step 2: Convert to fraction form
    332,901.03/499,398.93 = 108,189.21/x
  3. Step 3: Cross multiply
    332,901.03x = 499,398.93 × 108,189.21
  4. Step 4: Simplify right side
    332,901.03x = 54,029,575,711.55
  5. Step 5: Solve for x
    x = 54,029,575,711.55/332,901.03
  6. Step 6: Final answer
    x = 162,299.21

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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.