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Finding the Fourth Proportional to 231,558.33, 347,333.70 and 73,784.64

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Solution

The fourth proportional to 231,558.33, 347,333.70 and 73,784.64 is: 110,675.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,558.33 : 347,333.70 = 73,784.64 : x
  2. Step 2: Convert to fraction form
    231,558.33/347,333.70 = 73,784.64/x
  3. Step 3: Cross multiply
    231,558.33x = 347,333.70 × 73,784.64
  4. Step 4: Simplify right side
    231,558.33x = 25,627,892,014.37
  5. Step 5: Solve for x
    x = 25,627,892,014.37/231,558.33
  6. Step 6: Final answer
    x = 110,675.75

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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.