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Finding the Fourth Proportional to 351,419.67, 527,161.91 and 114,763.59

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Solution

The fourth proportional to 351,419.67, 527,161.91 and 114,763.59 is: 172,155.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,419.67 : 527,161.91 = 114,763.59 : x
  2. Step 2: Convert to fraction form
    351,419.67/527,161.91 = 114,763.59/x
  3. Step 3: Cross multiply
    351,419.67x = 527,161.91 × 114,763.59
  4. Step 4: Simplify right side
    351,419.67x = 60,498,992,729.04
  5. Step 5: Solve for x
    x = 60,498,992,729.04/351,419.67
  6. Step 6: Final answer
    x = 172,155.97

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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.