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Finding the Fourth Proportional to 317,179.68, 475,723.04 and 92,479.76

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Solution

The fourth proportional to 317,179.68, 475,723.04 and 92,479.76 is: 138,706.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,179.68 : 475,723.04 = 92,479.76 : x
  2. Step 2: Convert to fraction form
    317,179.68/475,723.04 = 92,479.76/x
  3. Step 3: Cross multiply
    317,179.68x = 475,723.04 × 92,479.76
  4. Step 4: Simplify right side
    317,179.68x = 43,994,752,565.67
  5. Step 5: Solve for x
    x = 43,994,752,565.67/317,179.68
  6. Step 6: Final answer
    x = 138,706.09

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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.