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Finding the Fourth Proportional to 317,738.44, 476,676.24 and 107,371.72

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Solution

The fourth proportional to 317,738.44, 476,676.24 and 107,371.72 is: 161,080.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,738.44 : 476,676.24 = 107,371.72 : x
  2. Step 2: Convert to fraction form
    317,738.44/476,676.24 = 107,371.72/x
  3. Step 3: Cross multiply
    317,738.44x = 476,676.24 × 107,371.72
  4. Step 4: Simplify right side
    317,738.44x = 51,181,547,771.93
  5. Step 5: Solve for x
    x = 51,181,547,771.93/317,738.44
  6. Step 6: Final answer
    x = 161,080.75

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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.