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Finding the Fourth Proportional to 451,755.70, 677,629.90 and 114,797.32

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Solution

The fourth proportional to 451,755.70, 677,629.90 and 114,797.32 is: 172,195.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,755.70 : 677,629.90 = 114,797.32 : x
  2. Step 2: Convert to fraction form
    451,755.70/677,629.90 = 114,797.32/x
  3. Step 3: Cross multiply
    451,755.70x = 677,629.90 × 114,797.32
  4. Step 4: Simplify right side
    451,755.70x = 77,790,094,921.29
  5. Step 5: Solve for x
    x = 77,790,094,921.29/451,755.70
  6. Step 6: Final answer
    x = 172,195.05

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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.