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Finding the Fourth Proportional to 222,609.33, 333,929.43 and 89,489.64

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Solution

The fourth proportional to 222,609.33, 333,929.43 and 89,489.64 is: 134,240.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,609.33 : 333,929.43 = 89,489.64 : x
  2. Step 2: Convert to fraction form
    222,609.33/333,929.43 = 89,489.64/x
  3. Step 3: Cross multiply
    222,609.33x = 333,929.43 × 89,489.64
  4. Step 4: Simplify right side
    222,609.33x = 29,883,224,476.11
  5. Step 5: Solve for x
    x = 29,883,224,476.11/222,609.33
  6. Step 6: Final answer
    x = 134,240.66

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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.