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Finding the Fourth Proportional to 231,559.56, 347,372.15 and 73,734.71

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Solution

The fourth proportional to 231,559.56, 347,372.15 and 73,734.71 is: 110,612.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,559.56 : 347,372.15 = 73,734.71 : x
  2. Step 2: Convert to fraction form
    231,559.56/347,372.15 = 73,734.71/x
  3. Step 3: Cross multiply
    231,559.56x = 347,372.15 × 73,734.71
  4. Step 4: Simplify right side
    231,559.56x = 25,613,382,636.79
  5. Step 5: Solve for x
    x = 25,613,382,636.79/231,559.56
  6. Step 6: Final answer
    x = 110,612.50

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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.