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Finding the Fourth Proportional to 317,179.86, 475,723.49 and 92,479.92

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Solution

The fourth proportional to 317,179.86, 475,723.49 and 92,479.92 is: 138,706.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,179.86 : 475,723.49 = 92,479.92 : x
  2. Step 2: Convert to fraction form
    317,179.86/475,723.49 = 92,479.92/x
  3. Step 3: Cross multiply
    317,179.86x = 475,723.49 × 92,479.92
  4. Step 4: Simplify right side
    317,179.86x = 43,994,869,834.92
  5. Step 5: Solve for x
    x = 43,994,869,834.92/317,179.86
  6. Step 6: Final answer
    x = 138,706.38

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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.