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Finding the Fourth Proportional to 303,563.58, 455,306.31 and 93,183.90

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Solution

The fourth proportional to 303,563.58, 455,306.31 and 93,183.90 is: 139,763.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,563.58 : 455,306.31 = 93,183.90 : x
  2. Step 2: Convert to fraction form
    303,563.58/455,306.31 = 93,183.90/x
  3. Step 3: Cross multiply
    303,563.58x = 455,306.31 × 93,183.90
  4. Step 4: Simplify right side
    303,563.58x = 42,427,217,660.41
  5. Step 5: Solve for x
    x = 42,427,217,660.41/303,563.58
  6. Step 6: Final answer
    x = 139,763.86

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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.