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Finding the Fourth Proportional to 351,467.86, 527,092.86 and 126,799.12

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Solution

The fourth proportional to 351,467.86, 527,092.86 and 126,799.12 is: 190,159.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,467.86 : 527,092.86 = 126,799.12 : x
  2. Step 2: Convert to fraction form
    351,467.86/527,092.86 = 126,799.12/x
  3. Step 3: Cross multiply
    351,467.86x = 527,092.86 × 126,799.12
  4. Step 4: Simplify right side
    351,467.86x = 66,834,910,806.28
  5. Step 5: Solve for x
    x = 66,834,910,806.28/351,467.86
  6. Step 6: Final answer
    x = 190,159.38

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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.