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Finding the Fourth Proportional to 303,183.45, 454,775.18 and 103,473.90

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Solution

The fourth proportional to 303,183.45, 454,775.18 and 103,473.90 is: 155,210.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,183.45 : 454,775.18 = 103,473.90 : x
  2. Step 2: Convert to fraction form
    303,183.45/454,775.18 = 103,473.90/x
  3. Step 3: Cross multiply
    303,183.45x = 454,775.18 × 103,473.90
  4. Step 4: Simplify right side
    303,183.45x = 47,057,360,980.43
  5. Step 5: Solve for x
    x = 47,057,360,980.43/303,183.45
  6. Step 6: Final answer
    x = 155,210.85

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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.