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Finding the Fourth Proportional to 74,602, 111,903 and 22,010.73

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Solution

The fourth proportional to 74,602, 111,903 and 22,010.73 is: 33,016.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,602 : 111,903 = 22,010.73 : x
  2. Step 2: Convert to fraction form
    74,602/111,903 = 22,010.73/x
  3. Step 3: Cross multiply
    74,602x = 111,903 × 22,010.73
  4. Step 4: Simplify right side
    74,602x = 2,463,066,159.68
  5. Step 5: Solve for x
    x = 2,463,066,159.68/74,602
  6. Step 6: Final answer
    x = 33,016.09

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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.