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Finding the Fourth Proportional to 231,502.46, 347,249.43 and 73,728.63

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Solution

The fourth proportional to 231,502.46, 347,249.43 and 73,728.63 is: 110,591.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,502.46 : 347,249.43 = 73,728.63 : x
  2. Step 2: Convert to fraction form
    231,502.46/347,249.43 = 73,728.63/x
  3. Step 3: Cross multiply
    231,502.46x = 347,249.43 × 73,728.63
  4. Step 4: Simplify right side
    231,502.46x = 25,602,224,742.18
  5. Step 5: Solve for x
    x = 25,602,224,742.18/231,502.46
  6. Step 6: Final answer
    x = 110,591.59

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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.