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Finding the Fourth Proportional to 223,885.62, 335,827.67 and 90,765.56

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Solution

The fourth proportional to 223,885.62, 335,827.67 and 90,765.56 is: 136,148.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,885.62 : 335,827.67 = 90,765.56 : x
  2. Step 2: Convert to fraction form
    223,885.62/335,827.67 = 90,765.56/x
  3. Step 3: Cross multiply
    223,885.62x = 335,827.67 × 90,765.56
  4. Step 4: Simplify right side
    223,885.62x = 30,481,587,427.34
  5. Step 5: Solve for x
    x = 30,481,587,427.34/223,885.62
  6. Step 6: Final answer
    x = 136,148.04

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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.