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Finding the Fourth Proportional to 317,045.10, 475,632.45 and 106,704.30

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Solution

The fourth proportional to 317,045.10, 475,632.45 and 106,704.30 is: 160,078.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,045.10 : 475,632.45 = 106,704.30 : x
  2. Step 2: Convert to fraction form
    317,045.10/475,632.45 = 106,704.30/x
  3. Step 3: Cross multiply
    317,045.10x = 475,632.45 × 106,704.30
  4. Step 4: Simplify right side
    317,045.10x = 50,752,027,634.54
  5. Step 5: Solve for x
    x = 50,752,027,634.54/317,045.10
  6. Step 6: Final answer
    x = 160,078.26

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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.