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Finding the Fourth Proportional to 74,494.35, 111,739.02 and 32,374.43

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Solution

The fourth proportional to 74,494.35, 111,739.02 and 32,374.43 is: 48,560.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,494.35 : 111,739.02 = 32,374.43 : x
  2. Step 2: Convert to fraction form
    74,494.35/111,739.02 = 32,374.43/x
  3. Step 3: Cross multiply
    74,494.35x = 111,739.02 × 32,374.43
  4. Step 4: Simplify right side
    74,494.35x = 3,617,487,081.26
  5. Step 5: Solve for x
    x = 3,617,487,081.26/74,494.35
  6. Step 6: Final answer
    x = 48,560.56

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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.