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Finding the Fourth Proportional to 247,847.92, 342,033.24 and 134,672.56

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Solution

The fourth proportional to 247,847.92, 342,033.24 and 134,672.56 is: 185,849.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,847.92 : 342,033.24 = 134,672.56 : x
  2. Step 2: Convert to fraction form
    247,847.92/342,033.24 = 134,672.56/x
  3. Step 3: Cross multiply
    247,847.92x = 342,033.24 × 134,672.56
  4. Step 4: Simplify right side
    247,847.92x = 46,062,492,035.89
  5. Step 5: Solve for x
    x = 46,062,492,035.89/247,847.92
  6. Step 6: Final answer
    x = 185,849.82

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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.