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Finding the Fourth Proportional to 223,375.10, 335,061.99 and 90,253.80

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Solution

The fourth proportional to 223,375.10, 335,061.99 and 90,253.80 is: 135,380.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,375.10 : 335,061.99 = 90,253.80 : x
  2. Step 2: Convert to fraction form
    223,375.10/335,061.99 = 90,253.80/x
  3. Step 3: Cross multiply
    223,375.10x = 335,061.99 × 90,253.80
  4. Step 4: Simplify right side
    223,375.10x = 30,240,617,833.06
  5. Step 5: Solve for x
    x = 30,240,617,833.06/223,375.10
  6. Step 6: Final answer
    x = 135,380.44

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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.