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Finding the Fourth Proportional to 351,894.99, 527,879.37 and 115,256.10

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Solution

The fourth proportional to 351,894.99, 527,879.37 and 115,256.10 is: 172,896.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,894.99 : 527,879.37 = 115,256.10 : x
  2. Step 2: Convert to fraction form
    351,894.99/527,879.37 = 115,256.10/x
  3. Step 3: Cross multiply
    351,894.99x = 527,879.37 × 115,256.10
  4. Step 4: Simplify right side
    351,894.99x = 60,841,317,456.66
  5. Step 5: Solve for x
    x = 60,841,317,456.66/351,894.99
  6. Step 6: Final answer
    x = 172,896.23

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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.