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Finding the Fourth Proportional to 73,664.40, 110,493.80 and 43,884.74

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Solution

The fourth proportional to 73,664.40, 110,493.80 and 43,884.74 is: 65,825.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,664.40 : 110,493.80 = 43,884.74 : x
  2. Step 2: Convert to fraction form
    73,664.40/110,493.80 = 43,884.74/x
  3. Step 3: Cross multiply
    73,664.40x = 110,493.80 × 43,884.74
  4. Step 4: Simplify right side
    73,664.40x = 4,848,991,684.61
  5. Step 5: Solve for x
    x = 4,848,991,684.61/73,664.40
  6. Step 6: Final answer
    x = 65,825.44

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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.