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Finding the Fourth Proportional to 351,769.03, 527,647.96 and 111,879.47

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Solution

The fourth proportional to 351,769.03, 527,647.96 and 111,879.47 is: 167,817.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,769.03 : 527,647.96 = 111,879.47 : x
  2. Step 2: Convert to fraction form
    351,769.03/527,647.96 = 111,879.47/x
  3. Step 3: Cross multiply
    351,769.03x = 527,647.96 × 111,879.47
  4. Step 4: Simplify right side
    351,769.03x = 59,032,975,570.35
  5. Step 5: Solve for x
    x = 59,032,975,570.35/351,769.03
  6. Step 6: Final answer
    x = 167,817.43

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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.