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Finding the Fourth Proportional to 285,799.50, 428,717.21 and 96,244.38

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Solution

The fourth proportional to 285,799.50, 428,717.21 and 96,244.38 is: 144,372.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,799.50 : 428,717.21 = 96,244.38 : x
  2. Step 2: Convert to fraction form
    285,799.50/428,717.21 = 96,244.38/x
  3. Step 3: Cross multiply
    285,799.50x = 428,717.21 × 96,244.38
  4. Step 4: Simplify right side
    285,799.50x = 41,261,621,590.56
  5. Step 5: Solve for x
    x = 41,261,621,590.56/285,799.50
  6. Step 6: Final answer
    x = 144,372.62

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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.