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Finding the Fourth Proportional to 222,198.48, 333,290.22 and 89,042.98

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Solution

The fourth proportional to 222,198.48, 333,290.22 and 89,042.98 is: 133,561.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,198.48 : 333,290.22 = 89,042.98 : x
  2. Step 2: Convert to fraction form
    222,198.48/333,290.22 = 89,042.98/x
  3. Step 3: Cross multiply
    222,198.48x = 333,290.22 × 89,042.98
  4. Step 4: Simplify right side
    222,198.48x = 29,677,154,393.66
  5. Step 5: Solve for x
    x = 29,677,154,393.66/222,198.48
  6. Step 6: Final answer
    x = 133,561.46

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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.