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Finding the Fourth Proportional to 342,194.96, 472,232.08 and 189,243.52

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Solution

The fourth proportional to 342,194.96, 472,232.08 and 189,243.52 is: 261,157.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,194.96 : 472,232.08 = 189,243.52 : x
  2. Step 2: Convert to fraction form
    342,194.96/472,232.08 = 189,243.52/x
  3. Step 3: Cross multiply
    342,194.96x = 472,232.08 × 189,243.52
  4. Step 4: Simplify right side
    342,194.96x = 89,366,861,076.12
  5. Step 5: Solve for x
    x = 89,366,861,076.12/342,194.96
  6. Step 6: Final answer
    x = 261,157.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.