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Finding the Fourth Proportional to 222,615.98, 333,939.36 and 89,496.36

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Solution

The fourth proportional to 222,615.98, 333,939.36 and 89,496.36 is: 134,250.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,615.98 : 333,939.36 = 89,496.36 : x
  2. Step 2: Convert to fraction form
    222,615.98/333,939.36 = 89,496.36/x
  3. Step 3: Cross multiply
    222,615.98x = 333,939.36 × 89,496.36
  4. Step 4: Simplify right side
    222,615.98x = 29,886,357,180.73
  5. Step 5: Solve for x
    x = 29,886,357,180.73/222,615.98
  6. Step 6: Final answer
    x = 134,250.73

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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.