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Finding the Fourth Proportional to 223,837.90, 335,793.30 and 66,082.30

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Solution

The fourth proportional to 223,837.90, 335,793.30 and 66,082.30 is: 99,134.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,837.90 : 335,793.30 = 66,082.30 : x
  2. Step 2: Convert to fraction form
    223,837.90/335,793.30 = 66,082.30/x
  3. Step 3: Cross multiply
    223,837.90x = 335,793.30 × 66,082.30
  4. Step 4: Simplify right side
    223,837.90x = 22,189,993,588.59
  5. Step 5: Solve for x
    x = 22,189,993,588.59/223,837.90
  6. Step 6: Final answer
    x = 99,134.21

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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.