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Finding the Fourth Proportional to 222,243.36, 333,418.10 and 72,483.81

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Solution

The fourth proportional to 222,243.36, 333,418.10 and 72,483.81 is: 108,743.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,243.36 : 333,418.10 = 72,483.81 : x
  2. Step 2: Convert to fraction form
    222,243.36/333,418.10 = 72,483.81/x
  3. Step 3: Cross multiply
    222,243.36x = 333,418.10 × 72,483.81
  4. Step 4: Simplify right side
    222,243.36x = 24,167,413,848.54
  5. Step 5: Solve for x
    x = 24,167,413,848.54/222,243.36
  6. Step 6: Final answer
    x = 108,743.02

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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.