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Finding the Fourth Proportional to 303,144.83, 454,592.13 and 103,481.31

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Solution

The fourth proportional to 303,144.83, 454,592.13 and 103,481.31 is: 155,179.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,144.83 : 454,592.13 = 103,481.31 : x
  2. Step 2: Convert to fraction form
    303,144.83/454,592.13 = 103,481.31/x
  3. Step 3: Cross multiply
    303,144.83x = 454,592.13 × 103,481.31
  4. Step 4: Simplify right side
    303,144.83x = 47,041,788,610.68
  5. Step 5: Solve for x
    x = 47,041,788,610.68/303,144.83
  6. Step 6: Final answer
    x = 155,179.26

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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.