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Finding the Fourth Proportional to 223,752.20, 335,627.90 and 66,091.37

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Solution

The fourth proportional to 223,752.20, 335,627.90 and 66,091.37 is: 99,136.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,752.20 : 335,627.90 = 66,091.37 : x
  2. Step 2: Convert to fraction form
    223,752.20/335,627.90 = 66,091.37/x
  3. Step 3: Cross multiply
    223,752.20x = 335,627.90 × 66,091.37
  4. Step 4: Simplify right side
    223,752.20x = 22,182,107,721.22
  5. Step 5: Solve for x
    x = 22,182,107,721.22/223,752.20
  6. Step 6: Final answer
    x = 99,136.94

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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.