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Finding the Fourth Proportional to 222,765.88, 334,162.32 and 89,645.64

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Solution

The fourth proportional to 222,765.88, 334,162.32 and 89,645.64 is: 134,473.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,765.88 : 334,162.32 = 89,645.64 : x
  2. Step 2: Convert to fraction form
    222,765.88/334,162.32 = 89,645.64/x
  3. Step 3: Cross multiply
    222,765.88x = 334,162.32 × 89,645.64
  4. Step 4: Simplify right side
    222,765.88x = 29,956,195,040.28
  5. Step 5: Solve for x
    x = 29,956,195,040.28/222,765.88
  6. Step 6: Final answer
    x = 134,473.89

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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.