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Finding the Fourth Proportional to 222,409.56, 333,676.50 and 89,383.16

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Solution

The fourth proportional to 222,409.56, 333,676.50 and 89,383.16 is: 134,099.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,409.56 : 333,676.50 = 89,383.16 : x
  2. Step 2: Convert to fraction form
    222,409.56/333,676.50 = 89,383.16/x
  3. Step 3: Cross multiply
    222,409.56x = 333,676.50 × 89,383.16
  4. Step 4: Simplify right side
    222,409.56x = 29,825,059,987.74
  5. Step 5: Solve for x
    x = 29,825,059,987.74/222,409.56
  6. Step 6: Final answer
    x = 134,099.72

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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.