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Finding the Fourth Proportional to 74,266, 111,403.44 and 29,892.56

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Solution

The fourth proportional to 74,266, 111,403.44 and 29,892.56 is: 44,840.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,266 : 111,403.44 = 29,892.56 : x
  2. Step 2: Convert to fraction form
    74,266/111,403.44 = 29,892.56/x
  3. Step 3: Cross multiply
    74,266x = 111,403.44 × 29,892.56
  4. Step 4: Simplify right side
    74,266x = 3,330,134,014.41
  5. Step 5: Solve for x
    x = 3,330,134,014.41/74,266
  6. Step 6: Final answer
    x = 44,840.63

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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.