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Finding the Fourth Proportional to 317,299.50, 475,902.50 and 104,089.91

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Solution

The fourth proportional to 317,299.50, 475,902.50 and 104,089.91 is: 156,119.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,299.50 : 475,902.50 = 104,089.91 : x
  2. Step 2: Convert to fraction form
    317,299.50/475,902.50 = 104,089.91/x
  3. Step 3: Cross multiply
    317,299.50x = 475,902.50 × 104,089.91
  4. Step 4: Simplify right side
    317,299.50x = 49,536,645,493.81
  5. Step 5: Solve for x
    x = 49,536,645,493.81/317,299.50
  6. Step 6: Final answer
    x = 156,119.52

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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.