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Finding the Fourth Proportional to 341,103.72, 470,717.16 and 188,155.88

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Solution

The fourth proportional to 341,103.72, 470,717.16 and 188,155.88 is: 259,651.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,103.72 : 470,717.16 = 188,155.88 : x
  2. Step 2: Convert to fraction form
    341,103.72/470,717.16 = 188,155.88/x
  3. Step 3: Cross multiply
    341,103.72x = 470,717.16 × 188,155.88
  4. Step 4: Simplify right side
    341,103.72x = 88,568,201,470.90
  5. Step 5: Solve for x
    x = 88,568,201,470.90/341,103.72
  6. Step 6: Final answer
    x = 259,651.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.