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Finding the Fourth Proportional to 222,668.04, 333,999.22 and 54,188.66

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Solution

The fourth proportional to 222,668.04, 333,999.22 and 54,188.66 is: 81,282.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,668.04 : 333,999.22 = 54,188.66 : x
  2. Step 2: Convert to fraction form
    222,668.04/333,999.22 = 54,188.66/x
  3. Step 3: Cross multiply
    222,668.04x = 333,999.22 × 54,188.66
  4. Step 4: Simplify right side
    222,668.04x = 18,098,968,367.38
  5. Step 5: Solve for x
    x = 18,098,968,367.38/222,668.04
  6. Step 6: Final answer
    x = 81,282.29

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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.