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Finding the Fourth Proportional to 300,756.64, 451,103.16 and 158,544.94

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Solution

The fourth proportional to 300,756.64, 451,103.16 and 158,544.94 is: 237,800.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,756.64 : 451,103.16 = 158,544.94 : x
  2. Step 2: Convert to fraction form
    300,756.64/451,103.16 = 158,544.94/x
  3. Step 3: Cross multiply
    300,756.64x = 451,103.16 × 158,544.94
  4. Step 4: Simplify right side
    300,756.64x = 71,520,121,180.49
  5. Step 5: Solve for x
    x = 71,520,121,180.49/300,756.64
  6. Step 6: Final answer
    x = 237,800.64

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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.