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Finding the Fourth Proportional to 332,873.40, 499,299.17 and 133,140.18

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Solution

The fourth proportional to 332,873.40, 499,299.17 and 133,140.18 is: 199,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,873.40 : 499,299.17 = 133,140.18 : x
  2. Step 2: Convert to fraction form
    332,873.40/499,299.17 = 133,140.18/x
  3. Step 3: Cross multiply
    332,873.40x = 499,299.17 × 133,140.18
  4. Step 4: Simplify right side
    332,873.40x = 66,476,780,701.95
  5. Step 5: Solve for x
    x = 66,476,780,701.95/332,873.40
  6. Step 6: Final answer
    x = 199,705.90

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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.