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Finding the Fourth Proportional to 222,111.33, 333,166.73 and 72,351.38

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Solution

The fourth proportional to 222,111.33, 333,166.73 and 72,351.38 is: 108,526.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,111.33 : 333,166.73 = 72,351.38 : x
  2. Step 2: Convert to fraction form
    222,111.33/333,166.73 = 72,351.38/x
  3. Step 3: Cross multiply
    222,111.33x = 333,166.73 × 72,351.38
  4. Step 4: Simplify right side
    222,111.33x = 24,105,071,791.41
  5. Step 5: Solve for x
    x = 24,105,071,791.41/222,111.33
  6. Step 6: Final answer
    x = 108,526.98

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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.