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Finding the Fourth Proportional to 317,469.70, 476,194.83 and 107,090.02

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Solution

The fourth proportional to 317,469.70, 476,194.83 and 107,090.02 is: 160,631.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,469.70 : 476,194.83 = 107,090.02 : x
  2. Step 2: Convert to fraction form
    317,469.70/476,194.83 = 107,090.02/x
  3. Step 3: Cross multiply
    317,469.70x = 476,194.83 × 107,090.02
  4. Step 4: Simplify right side
    317,469.70x = 50,995,713,868.60
  5. Step 5: Solve for x
    x = 50,995,713,868.60/317,469.70
  6. Step 6: Final answer
    x = 160,631.75

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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.